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What are fractals and how can they help us understand the world?

Fractals are common in nature because of the surprisingly simple way they are made. Mathematically, they also help us make sense of complexity and chaos – and maybe even quantum weirdness




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Quantum 'arrow of time' suggests early universe had no entanglement

One way to explain why time only moves forward is the quantum arrow of time, and it has major implications for both the universe's early period and its eventual demise




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How the weird and powerful pull of black holes made me a physicist

When I heard Stephen Hawking extol the mysteries of black holes, I knew theoretical physics was what I wanted to do. There is still so much to learn about these strange regions, says Chanda Prescod-Weinstein




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How to wrap your mind around the real multiverse

Fictional portrayals of parallel universes are fun to explore, but the scientific view of the multiverse looks very different




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How materials that rewind light can test physics' most extreme ideas

Strange solids called temporal metamaterials finally make it possible to investigate the controversial idea of quantum friction – and push special relativity to its limits




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How physics is helping us to explain why time always moves forwards

While time is relative, it still flows in one direction for every observer. We don’t yet understand why, but some physicists are looking for answers that invoke the evolution of entropy, says Chanda Prescod-Weinstein




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How to unsnarl a tangle of threads, according to physics

A jiggling robot has revealed the ideal vibrating speed to free jumbled fibres




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We may finally know what caused the biggest cosmic explosion ever seen

The gamma ray burst known as GRB221009A is the biggest explosion astronomers have ever glimpsed and we might finally know what caused the blast




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How Einstein was both right and wrong about gravitational waves

A century ago, Albert Einstein suggested that the universe might contain ripples in space-time, known as gravitational waves – but then he changed his mind




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Why ‘sling action’ bowling deceives so many batters in cricket

Experiments in a wind tunnel have revealed why the sling action bowling technique made famous by Sri Lankan cricketer Lasith Malinga is so effective at hoodwinking whoever is batting




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Quantum trick lets you cool objects down using nothing at all

Physicists have demonstrated a bizarre cooling effect by setting up a detector to record the absence of photons in a laser experiment




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How strange ice could form in the extremely hot interiors of planets

In an experiment simulating what happens deep in the interiors of planets, scientists have found that liquid can be compressed into ice crystals – even at extremely high temperatures




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Another blow for dark matter as biggest hunt yet finds nothing

The hunt for particles of dark matter has been stymied once again, with physicists placing constraints on this mysterious substance that are 5 times tighter than the previous best




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How the most precise clock ever could change our view of the cosmos

Forget atomic clocks. Nuclear clocks, which only drop a second every 300 billion years, can test whether nature's fundamental constants are constant after all




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How a simple physics experiment could reveal the “dark dimension”

Could the universe's missing matter be hiding in a "dark" extra dimension? We now have simple ways to test this outlandish idea - and the existence of extra dimensions more generally




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The laws of physics appear to follow a mysterious mathematical pattern

The symbols and mathematical operations used in the laws of physics follow a pattern that could reveal something fundamental about the universe




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Rich biography of Marie Curie shows how she helped women into science

Marie Curie redefined the role of women in science by training a generation of “lab daughters” to have stellar careers, shows Dava Sobel's detailed and intimate new biography, The Elements of Marie Curie




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There may be a cosmic speed limit on how fast anything can grow

Alan Turing's theories about computation seem to have a startling consequence, placing hard limits on how fast or slow any physical process in the universe can grow




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Heat can flow backwards in a gas so thin its particles never touch

A surprising reversal of our usual understanding of the second law of thermodynamics shows that it may be possible for heat to move in the “wrong” direction, flowing from a cold area to a warm one




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There's a gravity 'hole' in the Indian Ocean and now we may know why

Earth appears to have less mass beneath a certain part of the Indian Ocean compared with the rest of the planet. Plumes of magma at the location could explain why




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Sea level may have been higher than it is now just 6000 years ago

Climate researchers thought that current global average sea levels were the highest in more than 100,000 years, but new models suggest oceans just 6000 years ago may have been higher than at the beginning of the industrial revolution, and possibly even higher than today




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Tonga volcano unleashed underwater flows that reshaped the seafloor

The destruction of telecommunications cables during the eruption of Hunga Tonga-Hunga Haʻapai volcano in 2022 shows that underwater debris currents can travel at 122 kilometres per hour




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Earth’s core is oddly squishy and we may now know why

Earth’s iron-rich inner core may owe some of its surprising softness to the motion of atoms, suggest experiments with iron at high temperature and pressure coupled to AI simulations




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Iceland volcano: 15km magma tunnel under town threatens to erupt

A 15-kilometre-long mass of lava has formed underneath the Reykjanes peninsula in Iceland and could erupt at any time




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Giant magma flow in Iceland was the fastest ever recorded

As a 15-kilometre crack formed ahead of the recent eruptions, magma flowed into it at the highest rate observed anywhere in the world




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Stark, haunting images show Kazakhstan's former nuclear testing ground

These stunning photographs are all shortlisted for the Sony World Photography Awards 2024




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Extreme heat in 2023 linked to drastic slump in growth of marine life

Last year’s marine heatwaves saw an unprecedented decline in the growth of phytoplankton and algae, which many animals in the oceans depend on for food




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These photos show how a warmer climate is damaging Earth's waters

Photographer Diane Tuft has documented how global warming is affecting bodies of water around the world




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Snow and rising sea levels may have triggered Japan's earthquake swarm

In an ongoing swarm of earthquakes that began hitting Japan in 2020, the shifting weight of surface water may have spurred the shaking




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Epic images show old mines transformed into a library, lab and museum

Amazing images of an open-air library, underground lab and design museum show the reincarnation of dead mines, captured in a new book, 102 Things to Do With a Hole in the Ground




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Ambitious story of how life shapes Earth ends superb trilogy

The dynamics of how plants and animals change Earth is central to this last book in a trilogy by Other Minds author and "scuba-diving philosopher" Peter Godfrey-Smith




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Dramatic images show the dark side of cobalt mining boom

Pascal Maitre's photos from the Democratic Republic of Congo detail the problems arising as demand for cobalt grows




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Part of the Atlantic is cooling at record speed and nobody knows why

After over a year of record-high global sea temperatures, the equatorial Atlantic is cooling off more quickly than ever recorded, which could impact weather around the world




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Earthquakes may explain how huge gold nuggets form in quartz rock

Quartz crystals produce electricity when they are deformed by mechanical stress, which may explain how enormous chunks of gold can form in inert rock




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These maps will change how you see the world

Geographer Alastair Bonnett on his pick of the most diverse maps, from a collection of 100,000 galaxies to a 12th-century Chinese depiction of rivers on a grid




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How 'river piracy' made Mount Everest grow even taller

Rapid erosion caused by a geological act of “piracy” tens of thousands of years ago may have raised Earth’s crust and elevated Mount Everest by as much as 50 metres




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Some wildfires are growing twice as fast as they did two decades ago

In the western US, the average maximum growth rate of fires has more than doubled over the past two decades




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Striking image shows well-preserved wreck of Shackleton’s doomed ship

Endurance sank beneath the ice during Ernest Shackleton’s legendary Antarctic expedition. More than a hundred years later, researchers document their own saga of how they found the vessel




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AI helps driverless cars predict how unseen pedestrians may move

A specialised algorithm could help autonomous vehicles track hidden objects, such as a pedestrian, a bicycle or another vehicle concealed behind a parked car




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Oldest tadpole fossil known to science dates back 161 million years

A fossil of a tadpole from Argentina is 161 million years old - and isn't that different from some modern species




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Cancer atlas reveals how tumours evolve inside the body

A massive undertaking to map cancer tumours is providing new insights into how the disease forms, evolves and develops resistance to treatments




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How to cut through the latest nutritional fads

From the benefits of fermented foods to diets that promise a better hormone balance, there is a confusing array of dietary advice out there




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How a ride in a friendly Waymo saw me fall for robotaxis

I have a confession to make. After taking a handful of autonomous taxi rides, I have gone from a hater to a friend of robot cars in just a few weeks, says Annalee Newitz




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Striking image shows well-preserved wreck of Shackleton’s doomed ship

Endurance sank beneath the ice during Ernest Shackleton’s legendary Antarctic expedition. More than a hundred years later, researchers document their own saga of how they found the vessel




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There may be a cosmic speed limit on how fast anything can grow

Alan Turing's theories about computation seem to have a startling consequence, placing hard limits on how fast or slow any physical process in the universe can grow




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Heat can flow backwards in a gas so thin its particles never touch

A surprising reversal of our usual understanding of the second law of thermodynamics shows that it may be possible for heat to move in the “wrong” direction, flowing from a cold area to a warm one




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Spraying rice with sunscreen particles during heatwaves boosts growth

Zinc nanoparticles, a common sunscreen ingredient, can make plants more resilient to climate change – in a surprising way




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Ancient Egyptians shaped sheep's horns – and we don't know why

The earliest evidence of livestock with modified horns has been discovered in ancient Egypt – sheep skulls with horns that point in unnatural directions suggest humans forced them to grow that way




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Watch elephants use a hose to shower themselves – and prank others

Asian elephants at Berlin Zoo show impressive skill when using a hose as a tool, and even appear to sabotage each other by stopping the flow of water




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The complete guide to cooking oils and how they affect your health

From seed oils to olive oil, we now have an overwhelming choice of what to cook with. Here’s how they all stack up, according to the scientific evidence