pti

Start Your Engines: Optimizing Mixed-Signal Simulation Efficiency

During a mixed-signal simulation, the analog engine usually dominates the simulation time and resources. If you need to run only the analog engine in several windows, or if you would like to to run multiple tests of the same circuit with different stimuli or test pattern, then you need to run the simulation multiple times. View this blog to know more about the the two advanced technologies that Spectre AMS Designer provides to help you improve the efficiency of your mixed-signal designs and to increase the simulation speed.(read more)




pti

Using Xcelium, xrun -nogui option, where are the simulation results

I'm completely new to Cadence. I've been able to run a very simple simulation with the -gui option. Simvision opens, I add the variables to the waveform viewer, and press run. All is good.

I don't understand the flow when using the -nogui option. It appears that the simulation runs and returns control to the OS. When I launch Simvision, is there a database or file that I can open to display the already-simulated data?

My command is of the form:

xrun -gui -64bit -sv -access +rwc -top tb_top.sv <src files>




pti

xcelium - CSI: *F,INTERR: INTERNAL EXCEPTION

I just completed the setup of xcelium and I am trying to test a very simple vhdl file - I got " CSI: *F,INTERR: INTERNAL EXCEPTION" without any further explanation. Could someone point me to how to investigate this error further?

csi-xmelab - CSI: Command line: 
xmelab
-f /home/cadadmin/test/xcelium.d/run.lnx86.23.03.d/xmelab.args
-ACCESS +r
-no_analogsolver
-MESSAGES
andgate
-XLMODE ./xcelium.d/run.lnx86.23.03.d
-RUNMODE
-CDSLIB ./xcelium.d/run.lnx86.23.03.d/cds.lib
-HDLVAR ./xcelium.d/run.lnx86.23.03.d/hdl.var
-WORK worklib
-IRUNHASTOP
-CHECK_VERSION TOOL: xrun 23.03-s001
-LOG_FD 4

csi-xmelab - CSI: *F,INTERR: INTERNAL EXCEPTION
-----------------------------------------------------------------
The tool has encountered an unexpected condition and must exit.
Contact Cadence Design Systems customer support about this
problem and provide enough information to help us reproduce it,
including the logfile that contains this error message.
TOOL: xmelab 23.03-s001
OPERATING SYSTEM: Linux 4.18.0-513.9.1.el8_9.x86_64 #1 
Elaboration of package STD.STANDARD
-----------------------------------------------------------------

csi-xmelab - CSI: Cadence Support Investigation, recording details
csi-xmelab - CSI: investigation complete took 0.000 secs, send this file to Cadence Support




pti

Quickchat Video Interview: Introducing Cadence Optimality and OnCloud for Systems Analysis and Signoff

Microwaves & RF's David Maliniak interviews Sherry Hess of Cadence about recently announced products of Optimality and OnCloud.(read more)




pti

AllegroX. ConstraintManager: how to define an exemption inside a SPACING RULE ?

Hi

I have fixed a SPACING RULE (SP1) for a CLASS_DIFF_PAIR whereas for via associated to the net (DP_VIA), the DISTANCE > 60mils respect to ANY other vias (PTH, BB, TEST vias)

Now my problem is that this rules should NOT be applied for GND VIAS (STICHING VIA) which must be placed at a distance < 40mils respect to DP_VIA

How to create an exemption to the SPACING RULE (SP1)?




pti

Optimizing PCB design for thermal performance

Optimizing PCB thermal performance is essential in today’s high-density designs, as it ensures stability, prolongs component life, and prevents potential thermal issues. One of the first steps to achieving this is with strategic component placement. Positioning high-power components—such as regulators, power transistors, or processors—away from heat-sensitive parts can prevent thermal interference, and placing them near the edges of the PCB often helps dissipate heat more effectively. It’s also beneficial to group components by their heat generation, creating dedicated thermal zones that can manage localized heating and reduce impact on other areas of the board.

 

Using thermal vias is another effective technique. By placing thermal vias under components like BGAs or power ICs, heat can be transferred from the surface to internal layers or ground planes. Increasing the size and number of these vias, or using thicker plating, enhances heat conductivity and helps manage heat more evenly across layers in multilayer boards. Increasing copper thickness on the PCB also has a major impact. Opting for thicker copper layers (e.g., 2 oz or even 3 oz copper) significantly boosts the heat dissipation capabilities of power planes and traces, especially in high-current areas. Large copper planes, such as dedicated ground or power planes, are equally effective in spreading heat efficiently. Adding thermal pads directly beneath heat-generating components improves this heat distribution.

 

Thermal relief pads help regulate heat flow for through-hole components by controlling heat transfer, which reduces thermal stress during soldering and prevents excessive heat spread to nearby sensitive areas. Performing thermal analysis with software tools like Celsius can be invaluable, as it allows you to simulate and model heat distribution, spot potential thermal issues, and refine your design before finalizing it.

 

Using heat sinks and thermal pads provides a direct way to draw heat from high-power components. Heat sinks can be attached with thermal adhesives, screws, or clamps, while thermal interface materials (TIMs), such as thermal pads or conductive adhesives, further reduce thermal resistance, enhancing heat-transfer efficiency. Optimizing the PCB layer stackup is also a key factor. Dedicated ground and power layers improve heat conduction across the PCB, enabling heat transfer between layers, particularly in high-density and multilayer PCBs.

 

In designs with high power requirements, active cooling options like fans, blowers, or heat pipes can be essential, helping to direct airflow across the PCB and further improving heat dissipation. Adding ventilation slots around hot zones and considering passive cooling paths enhance natural airflow, making the design more thermally efficient. By combining several of these techniques, you can create a PCB that handles heat effectively, resulting in a robust, long-lasting, and reliable product.

 

Let us know if you’ve had any challenges with thermal management in your designs—I’d be glad to discuss further!




pti

Wanted: Exceptional individuals and top-tier businesses

Australia is seeking the world’s best and brightest talent to relocate to one of the safest, most economically stable and innovative countries in the world.




pti

Meta cuts EU ad-free subscription price by 40% for Facebook and Instagram

Meta slashes EU ad-free subscription prices for Facebook and Instagram by 40 percent and adds a less personalized ad-tier option.




pti

NVIDIA and Global Consulting Leaders Speed AI Adoption Across Japan’s Industries

Consulting giants including Accenture, Deloitte, EY Strategy and Consulting Co., Ltd. (or EY Japan), FPT,  Kyndryl and Tata Consultancy Services Japan (TCS Japan) are working with NVIDIA to establish innovation centers in Japan to accelerate the nation’s goal of embracing enterprise AI and physical AI across its industrial landscape. The centers will use NVIDIA AI Read Article




pti

New Report Assesses Shortcomings of Indonesia’s Regional Anti-Corruption Courts

New Report Assesses Shortcomings of Indonesia’s Regional Anti-Corruption Courts New Report Assesses Shortcomings of Indonesia’s Regional Anti-Corruption Courts
venkatp

News Release

Explore

News Release

Explore




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East-West Center President Presents Tonga Red Cross with Eruption Recovery Funds Raised by Center Community

East-West Center President Presents Tonga Red Cross with Eruption Recovery Funds Raised by Center Community East-West Center President Presents Tonga Red Cross with Eruption Recovery Funds Raised by Center Community
brophyc

News Release

Explore

News Release

Explore




pti

The Adoption of the Believer (Galatians 4:1–11)

Check here each week to keep up with the latest from John MacArthur's pulpit at Grace Community Church.




pti

The Damning Deception of Empty Words and Empty Hearts (Matthew 7:21-29)

Check here each week to keep up with the latest from John MacArthur's pulpit at Grace Community Church.




pti

God’s Great Joy in Redemption (Luke 15:11-32)

Check here each week to keep up with the latest from John MacArthur's pulpit at Grace Community Church.




pti

The Inescapable Corruption of Sin (Selected Scriptures)

Check here each week to keep up with the latest from John MacArthur's pulpit at Grace Community Church.




pti

The Wonder of Redemption in Christ (Ephesians 1:7-10)

Check here each week to keep up with the latest from John MacArthur's pulpit at Grace Community Church.




pti

Morero fires corruption-accused Kabelo Gwamanda, replaces him with PA’s Tebogo Nkonkou




pti

Retired cop slapped with eight year prison sentence for accepting R5,000 bribe




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‘We need to fix what is broken’: Minister Dean Macpherson vows EPWP reforms amid allegations of abuse, corruption and exclusion




pti

Canada detects its first presumptive human H5 bird flu case

OTTAWA, Ontario — Canada has detected its first presumptive case of H5 bird flu in a person, a teenager in the western province of British Columbia, health officials said Saturday. The teenager likely caught the virus from a bird or animal and was receiving care at a children's hospital, the province said in a statement. The province said it was investigating the source of exposure and identifying the teenager's contacts. The risk to the public remains low, Canada's Health Minister Mark Holland said in posting on X. "This is a rare event," British Columbia Health Officer Bonnie Henry said in a statement. "We are conducting a thorough investigation to fully understand the source of exposure here in B.C." H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows, with several recent human cases in U.S. dairy and poultry workers. There has been no evidence of person-to-person spread so far. But if that were to happen, a pandemic could unfold, scientists have said. Earlier in November, the U.S. Centers for Disease Control and Prevention asked for farm workers who have been exposed to animals with bird flu to be tested for the virus even if they do not have symptoms. Bird flu has infected nearly 450 dairy farms in 15 U.S. states since March, and the CDC has identified 46 human cases of bird flu since April. In Canada, British Columbia has identified at least 22 infected poultry farms since October, and numerous wild birds tested positive, according to the province. Canada has had no cases reported in dairy cattle and no evidence of bird flu in samples of milk.  




pti

Teen in critical condition with Canada's first presumptive human case of bird flu

TORONTO, canada — A teenager is in critical condition in a British Columbia children's hospital, sick with Canada's first presumptive human case of avian influenza. "This was a healthy teenager prior to this, so no underlying conditions," said provincial health officer Bonnie Henry in a news conference on Tuesday. "It just reminds us that in young people this is a virus that can progress and cause quite severe illness, and the deterioration that I mentioned was quite rapid." British Columbia health officials said on Saturday the province had detected Canada's first human case of H5 bird flu in a teenager. Henry said the province is still identifying the exact strain but assumes the case is H5N1. The World Health Organization says H5N1's risk to humans is low because there is no evidence of human transmission, but the virus has been found in an increasing number of animals, including cattle in the United States. Henry would not disclose the teen's gender or age but said the patient had first developed symptoms on November 2 and was tested on November 8, when admitted to a hospital. Symptoms included conjunctivitis, fever and coughing. As of Tuesday, the teen was hospitalized with acute respiratory distress syndrome, she said. The teen had no farm exposure but had been exposed to dogs, cats and reptiles, Henry said. No infection source had been identified. "That is absolutely an ongoing investigation." More severe illness takes place when the virus binds to receptors deep in the lungs, she said. Public health officials had identified and tested about three dozen contacts and had not found anyone infected with the virus. There has been no evidence that the disease is easily spread between people. But if that were to happen, a pandemic could unfold, scientists have said. Earlier in November, the U.S. Centers for Disease Control and Prevention asked that farm workers exposed to animals with bird flu be tested for the virus even if they did not have symptoms. Bird flu has infected nearly 450 dairy farms in 15 U.S. states since March, and the CDC has identified 46 human cases of bird flu since April. In Canada, British Columbia has identified at least 26 affected premises across the province, Henry said Tuesday, and numerous wild birds have tested positive. Canada has had no cases reported in dairy cattle and no evidence of bird flu in samples of milk.




pti

Mngxitama accuses SKG Africa of corruption in Public Works contracts




pti

Desperate Dolphins and Titans seek redemption at Kingsmead




pti

Paul Mashatile faces corruption allegations amid ANC leadership uncertainty




pti

SIU investigates corruption allegations against SASRIA following July 2021 unrest




pti

Egyptian government legalizes 293 churches, reinforcing religious inclusivity


Under Article 8 of Law No. 80, which governs the construction and restoration of churches in Egypt, the government continues to support religious institutions by aligning them with legal standards.




pti

Bo Xilai: Anti-Corruption Failure in China

At the root of Bo Xilai's fall from a shining political career is a chronic, systemic problem of corruption in China's single-party political system.




pti

The Tibetan People's Limited Options

For 65 years China has been taking over Tibet, abusing Tibetans and destroying their culture, and no one's doing anything about it.




pti

Peaceful PTI leaders will protest against unjust arrests of leadership: Spokesman

Mukhtiar Hussain KARACHI: Pakistan Tehreek-e-Insaf (PTI) Sindh General Secretary Dr. Masroor Ali Siyal was arrested at Al-Asif Square on his way to the Swabi rally, along with MPA Raja Azhar, two other MPAs, and a large number of officials and … read more




pti

Remulla: Preemptive evacuation a ‘lesson’ from Storm Kristine

MANILA, Philippines — Interior Secretary Jonvic Remulla touted local government units’ (LGUs) preemptive evacuation in response to Typhoon Nika (International name: Toraji), saying they took “lessons” from Severe Tropical Storm Kristine (International name: Trami). In a phone interview aired on People’s Television Network on Wednesday morning, Remulla said LGUs evacuated around 8,000 families from geohazard zones identified by the Department of Environment and Natural Resources as Nika crossed Northern Luzon. “If they didn’t evacuate, perhaps, 100 would have died because many of the houses there were really destroyed,” he said in Filipino. Nika left the Philippine Area of Responsibility at […]...

Keep on reading: Remulla: Preemptive evacuation a ‘lesson’ from Storm Kristine




pti

Trump 2.0: PH stays optimistic amid worries on aid, health care

(First of two parts) MANILA, Philippines—As Donald Trump prepares for his return to the US presidency, experts are taking a close look at the ripple effects his second term could have on the Philippine health care system which has benefited significantly from US assistance. Following last week’s US presidential elections, many cautioned that Trump’s victory over Vice President Kamala Harris could send global shockwaves, sparking concerns among international allies about a resurgence of his nationalist “America First” policies. One of the most talked about and weighed-in possible impacts of Trump’s second term by experts, political figures, and lawmakers alike was on immigration. Trump has made it […]...

Keep on reading: Trump 2.0: PH stays optimistic amid worries on aid, health care




pti

Sin’s Corruption of Our Character

The problem of sin isn’t fundamentally external. It’s most visible in our actions, but our actions are merely the manifestation of a corruption that comes from within.

READ MORE




pti

Sin’s Corruption of Our Conversation

The doctrine of man’s depravity, of all the cardinal biblical truths should never need to be defended. The empirical evidence for man’s sinful nature is irrefutable and ubiquitous. It is the inescapable reality of life.

READ MORE




pti

Sin’s Corruption of Our Conduct

All false religions lie to us about man. While most of them concede that man has not reached perfection, they refuse to acknowledge the bare sinful facts of life and history. They insist on offering a system of human achievement that can please God. Only God’s Word tells us the painful yet loving truth.

READ MORE




pti

Comprehensive Corruption

When it comes to man’s fallen nature, Scripture is clear about the depth and breadth of its defilement. The apostle Paul delivers a blunt assessment of man’s sinful corruption in his epistle to the Romans.

READ MORE




pti

Meet the Young Women Arrested for Fighting Corruption in Uganda

Until recently, Margaret Natabi would never have dreamed of taking her anti-corruption fight on the streets of Uganda’s capital, Kampala. Natabi, 24, is a University student. She has first-hand experience of how corruption affects marginalized groups, especially women and girls. She was orphaned during childhood. Her mother died while giving birth to one of her […]




pti

Egyptian Parliament Moves to Strengthen Support for People with Disabilities and the Elderly

In a significant move to address the challenges faced by people with disabilities and the elderly, six Egyptian parliamentary committees met in Cairo on October 12 to discuss national strategies and legislative efforts. The Forum of Arab Parliamentarians on Population and Development and the Asian Population and Development Association (APDA), with support from the United […]



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pti

Britney Spears fires back at Kevin Federline with 'cryptic' move

Britney Spears responds to ex husband Kevin Federline's claims with subtle moveBritney Spears has responded to claims made by her ex-husband, Kevin Federline, regarding her recent reunion with their son, Jayden.The Toxic hitmaker took to her Instagram to share another cryptic post with her...




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30 Years of Kazakhstan-ADB Anniversary Reception - Masatsugu Asakawa

Remarks by Masatsugu Asakawa, President, Asian Development Bank, at the 30 Years of Kazakhstan-ADB Anniversary Reception, 8 November 2024




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Dealing with Dollarization: What Options for the Transitional Economies of Southeast Asia?

What should the transitional economies of Southeast Asia do, if anything, to address their multiple currency situations?



  • Publications/Papers and Briefs

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Dollarization and the Multiple Currency Phenomenon in Lao PDR: Costs, Benefits and Policy Options

This paper examines the costs and benefits of the multiple currency phenomenon in Lao PDR and considers options in terms of policy response.



  • Publications/Papers and Briefs

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PTI files curative review with SC in ‘bat’ symbol case

ISLAMABAD: As a last resort after losing the election symbol, PTI on Tuesday filed a curative petition with the Supreme Court, seeking to overturn the Jan 13 and Oct 21 rulings that supported the Election Commission of Pakistan’s decision to deny the party its ‘bat’ symbol.

The curative petition is a final remedy that allows the SC to reconsider a dismissed review petition.

The 32-page petition, moved by Advocate Ajmal Ghaffar Toor, says the present petition has been necessitated by circumstances during the hearing and therefore based upon the principle of natural justice.

Besides the verdict is per incuriam and not a judgement at all, argued the petition, adding the petition was relying upon the Aug 22 Mubarak Ahmed Sani case in which the Supreme Court had altered its earlier decision.

Judgement was per incuriam, 32-page petition argues

The petition argues that the judgement was per incuriam, meaning it was made in ignorance of the terms of a statute or rule having the force of a statute. A decision made per incuriam can be considered a mistake and may not be binding.

The petition also relied on the Aug 22 Mubarak Ahmed Sani case, where the SC had altered its earlier decision, setting a precedent for revisiting previous judgements.

On Oct 21, the SC headed by former chief justice Qazi Faez Isa rejected PTI’s petition, seeking to revisit Jan 13 verdict in the bat symbol case.

The review petition was dismissed on the grounds that no illegality or material error in the judgement was pointed out by the petitioner.

During the case, the senior counsel Hamid Khan had pleaded before the apex court that he did not want to argue before a bench headed by a person who “harbours bias against PTI”.

It is the case of the petitioner that both judgements of Jan 13 and Oct 21 were void and non-existent in the eyes of law. The petition has raised questions of public importance with respect to fundamental rights and interpretation of the laws relating to the electoral rights of the people who were true sovereigns, by seeking to invite SC’s attention towards two of its own judgments, the curative review says.

On May 26, 2021, PTI had moved a curative review petition before the SC against Justice Isa who had won a case on a review petition. Then the curative review petition was moved against the majority order in favour of Justice Isa.

Later on July 21, 2023, ex-CJP Umar Ata Bandial rejected in chambers PTI’s curative review petition against Justice Isa whereas Justice Syed Mansoor Ali Shah in his additional note stated that a second review or a curative review or whatever given name, was not maintainable under Article 188 since this provision envisages only one-time exercise of this jurisdiction, whether made on a review petition or suo motu in respect of any of its judgments.

Now the fresh curative petition pleads that the SC judgment of Oct 21 was virtually an ex-parte order as no substantive hearing took place in view of the objections raised against former CJP Qazi Faez Isa and therefore it would serve the interest of justice that the judgement was set aside and the review petition was fixed for hearing again.

The curative review argued that both Justice Muhammad Ali Mazhar and Justice Musarrat Hilali, who were members of the bench which heard the review petition then, signed allegedly a blatantly biased orders, dictated by then CJP and therefore they have disqualified themselves from hearing the present petition.

Published in Dawn, November 13th, 2024




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PTI livid after leaders arrested from outside Adiala

• Omar Ayub, Shibli Faraz, Asad Qaiser among those detained, then released
• Party slams govt over detention of senior leaders who sought to meet Imran in prison
• Police cite Section 144 violations as basis for action

ISLAMABAD: Several PTI leaders were briefly detained on Tuesday outside Adiala Jail while attempting to meet the party’s incarcerated chairman, Imran Khan, sparking condemnation from the party.

Opposition leaders in the National Assembly and Senate, Omar Ayub Khan and Shibli Faraz, former National Asse­mbly speaker Asad Qaiser, Opposition Leader in the Pun­jab Assembly Malik Ahmad Khan Bhachar, and Sunni Itte­had Council (SIC) Chairman Sahibzada Hamid Raza were among those arrested.

The police claimed that the party leaders were arrested under Section 144 of the Code of Criminal Procedure (CrPC) but were later released with a warning.

Mr Qaiser told Dawn that PTI had approached the Islamabad High Court (IHC) after being denied access to meet Imran Khan. “The court summoned the jail superintendent, who assured us that we could meet Khan Sahib. On Tuesday, we arrived around 2pm with the court order in hand, but the jail authorities still barred our entry,” he said.

“It feels like there’s a law of the jungle in Pakistan. We were taken to a nearby police post and, after contacting others through our mobile phones, the media arrived, and we were eventually allowed to leave,” he said.

“We have decided to lodge an FIR, submit a privilege motion and raise the matter in sta­nding committees,” he added, denou­ncing the act as a violation of basic human rights and contempt of the IHC’s directive.

The PTI leaders also accused Prime Minister Shehbaz Sha­rif, Punjab Chief Minister Mar­yam Nawaz and Inspector Gen­e­ral of Police in Punjab Dr Usman Anwar for issuing ord­ers of their illegal detention.

A police official told Dawn that the PTI leaders were taken to a police post after they ignored warnings about the prohibition of gatherings due to Section 144. However, they were soon freed after being issued a warning. “If they had refused to leave, the police would have taken legal action against them,” a senior police official said.

‘Absolutely shameful’

The PTI also condemned the incident on social media.

“Absolutely shameful! Omar Ayub Khan, Shibli Faraz, Asad Qaiser, Ahmed Bhachar and Sahibzada Hamid Raza have been arrested outside Adiala Jail for simply exercising their right to meet with Imran Khan, as permitted by law. This should alarm anyone who values the rule of law, as it shows how basic freedoms are being trampled upon,” the party said on the social media platform X (formerly Twitter).

A video posted online by the party showed Omar Ayub in a vehicle with police officers nearby, and Hamid Raza being pulled aside by uniformed personnel. A police van was also visible in the video.

Later, at a press conference, Mr Faraz decried the police action, calling it a breach of constitutional rights. He said the party leaders who went to meet Imran Khan were arrested even though they did not hold any rallies or public meetings or show any aggression.

In a statement, PTI’s Central Information Secretary Sheikh Waqas Akram denounced the government’s actions as a violation of democratic freedoms and called for legal consequences for those responsible.

He denounced the government’s “disregard for the judiciary” and for allegedly committing contempt of court, urging the court to take stern measures against those responsible for violating the law.

Mr Akram said that the senior PTI leaders waited until 3pm outside Adiala Jail but were not allowed to meet Imran Khan. However, when they attempted to leave, they were taken into custody.

He said the government was “crossing all limits of barbarism and brutalities” as the PTI leaders, workers and supporters were being detained and harassed in total disregard for the law.

Maryam’s trip

Separately, the PTI lashed out at the Sharif family over Maryam Nawaz’s visit to Geneva for what the party called a “minor medical procedure”.

The party’s spokesperson accused Ms Nawaz of abandoning the residents of Punjab, who are facing severe smog, inflation and rising crime, while she seeks treatment abroad at public expense.

Mohammad Asghar in Rawalpindi also contributed to this report

Published in Dawn, November 13th, 2024




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Supporting the Adoption of Digital Technologies and Fostering Innovation in Micro, Small, and Medium-Sized Enterprises

The technical assistance (TA) will support the Kingdom of Cambodia in building resilience within, and improving the competitiveness of the country's private sector by enhancing the capacity of state institutions to support adoption of digital technologies and to foster innovation and diversification in micro-, small- and medium-sized enterprises (MSMEs), where women entrepreneurs and workers are traditionally prevalent.




pti

Endangered skates saved from extinction by hatching in captivity

The Maugean skate (Zearaja maugeana) is only found in one habitat in Australia, which is under threat from human activity. Now the species has been saved from extinction by hatching in captivity




pti

Why a potted plant isn't the easiest option for would-be gardeners

For nervous newbie gardeners, starting out with a single plant in a small pot is pitched as an easy win by the horticultural industry. James Wong explains why it isn't




pti

What is the optimal amount of exercise and how much is too much?

When it comes to exercise, more isn't necessarily better – and we're now discovering the ideal dose for better health




pti

Take control of your brain's master switch to optimise how you think

The discovery that a small blue blob of neurons, the locus coeruleus, controls your mode of thinking suggests ways to increase learning, creativity, focus and alertness




pti

Magnificent photograph captures eruption of Fagradalsfjall volcano

Olivier Grunewald took this image of the Icelandic volcano's central crater filled with lava, forming a fiery lake of liquid rock




pti

Shiveluch volcano eruption in Russia smothers nearby villages in ash

The eruption of the Shiveluch volcano on the Kamchatka Peninsula in Russia on 11 April sent plumes of volcanic ash many kilometres into the air and could affect flights