When we take a break from exercise, it can feel like we quickly go back to square one. But this isn't the case, and there are various ways to minimise the decline

Evidence suggests that cynicism is bad for your health. Neuroscientist Jamil Zaki describes the three ways to conquer your inner cynic to boost your well-being

As more of us take up vaping and concerns rise about the long-term effects, we now have enough data to get a grip on the health impact – and how it compares to smoking

In the 1920s, Erwin Schrödinger wrote an equation that predicts how particles-turned-waves should behave. Now, researchers are perfectly recreating those predictions in the lab

Concern over the risks of enabling nuclear weapons development is usually focused on nuclear fission reactors, but the potential harm from more advanced fusion reactors has been underappreciated

Ultra-fast pulses of laser light can be shaped into vortices similar to smoke rings – when chained together, they can carry enough information to transmit a simple image

A solar energy absorber that uses quartz to trap heat reached 1050°C in tests and could offer a way to decarbonise the production of steel and cement

A contentious meeting of physicists highlighted concerns, failures and possible fixes for a crisis in condensed matter physics

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

An experiment with a robot and gelatine determined that 65-micrometre-thick paper is the most prone to slicing our skin – but it can also make for a handy recyclable knife

Entangled particles of light can transmit holographic images that can be selectively erased, allowing for secure communications that can also be deleted

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

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

The Impossible Man by Patchen Barss salutes Roger Penrose's groundbreaking work in physics and mathematics while challenging the idea that a genius should be exempt from ordinary obligations

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

From a sea turtle and diver swimming in harmony in Malaysia to a red-eyed tree frog in its Costa Rican rainforest home, take a peek at some of the winning entries in one of the most prestigious photography competitions

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

Analysis of tree rings shows that two faults near Seattle, Washington ruptured at the same time or soon after each other more than 1000 years ago – a repeat today would cause a major disaster in the region

Some 550 years ago, a Venetian monk named Fra Mauro set out to create a world map. Rather than myth and religion, it was based on solid evidence for the first time

Photographer Matjaz Krivic has been charting the effects of lithium mining on locals in the world's largest salt flat in Bolivia since 2016

The Kikai-Akahoya eruption of an underwater volcano off the coast of Japan ejected enough material to fill Lake Tahoe twice, three times as much as the eruption of Mount Tambora in 1815

Global warming means many of the world’s ancient rivers of ice will be gone within decades, threatening ecosystems that rely on their meltwater, a looming crisis that photographer Edward Burtynsky highlights in his work

The networks of fibre optic cables that criss-cross the planet could be used to better understand what’s happening inside it

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

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

See some of the top entries to this year's Mangrove Photography Awards, showing the beauty and fragility of these unique ecosystems

This claustrophobia-inducing image is taken from photographer Martin Broen's new book Light in the Underworld, a collection of shots from the Yucatán’s cenotes, or sinkholes

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

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

The Impossible Man by Patchen Barss salutes Roger Penrose's groundbreaking work in physics and mathematics while challenging the idea that a genius should be exempt from ordinary obligations

Our Future Chronicles column explores an imagined history of inventions and developments yet to come. In our latest glimpse into the near future, Rowan Hooper tells how seaweed was a game changer when it came to getting carbon out of the atmosphere in the 2030s

Shortlisted for the Close-up Photographer of the Year contest, these images zoom in on animals in all their glory

Never underestimate what a single gopher can achieve in a day: one of the burrowing mammals helped boost soil fungi in an area blanketed by ash from the explosive eruption of Mount St Helens in Washington state

AI and Google Street View have created 'digital twins' of living trees in North American cities – part of a huge simulation that could help make urban tree planting and trimming decisions

3D mapping and artificial intelligence has helped decipher an ancient Herculaneum papyrus scroll which had been digitally scanned

Around 3000 years ago, several empires and kingdoms in the Mediterranean collapsed, with a group of sea-faring warriors implicated as the culprit. But new evidence shows that many of our ideas about this turbulent time need completely rethinking

Analysis of pollen in sediment cores from a large lake in Greece shows that nomadic livestock herders took over the region after the collapse of the Western Roman Empire

Historians have claimed the people of Easter Island overexploited natural resources, causing a population crash, but new evidence suggests they lived sustainably for centuries

Highland and lowland populations in Papua New Guinea have different gene variants derived from Denisovan archaic humans, indicating possible adaptations for lower oxygen levels and higher malaria risk

Spear-throwing tools called atlatls allow humans to launch projectiles over great distances, but Neanderthals apparently never used them – and an experiment involving a 9-metre-tall platform may explain 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

Title: AHA News: Study of Sleep in Older Adults Suggests Nixing Naps, Striving for 7-9 Hours a Night
Category: Health News
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Title: What Happens to Metabolism in Fasting?
Category: Health and Living
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Title: Low Levels of Brain Chemical May Control Appetite
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Title: Sham Acupuncture for Knee Arthritis as Effective as the Real Therapy
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Title: Hepatitis E Vaccine Appears Safe, Effective
Category: Health News
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Category: Health News
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Title: Obama to Appeal Stem Cell Ruling
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Title: Talk Therapy May Help Adults With ADHD
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