A better understanding of what happens to our bodies when we get fitter can unlock ways to speed up the journey – and it might be simpler than you think

Male pattern baldness could soon be a thing of the past, with new hair loss treatments beginning to show tantalising results

Friends who blow hot and cold put more strain on your physical and mental health than enemies. Here's how to spot them and handle them

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

Diets that claim to control excess oestrogen or stress hormones are all the rage on Instagram and TikTok. They could be good for us, just not for the reasons claimed

The controversies surrounding football’s video assistant referee (VAR) system highlight our troubled relationship with uncertainty – and point to potential solutions

You might have heard about plans to establish a self‑sustaining city on Mars. Here’s what life would really be like on the Red Planet

The quantum principle of superposition – the idea of particles being in multiple places at once – could help make quantum batteries that charge within minutes

A technique to charge a battery inside a quantum computer relies on sorting qubits in an imitation of Maxwell’s demon, a 19th-century thought experiment once thought to break the laws of physics

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

Atoms tunnelling through a quantum battery could charge it and also keep it from losing energy, which could give an advantage over conventional batteries

Simulations suggest that when a quantum battery shares a quantum state with the device it is powering, the device can gain more charge than was stored in the battery to begin with

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

Launching a million tonnes of moon dust around Earth could dim sunlight across our planet by 1.8 per cent. This would reduce the global temperature, but whether it would be worth the resources, and the risks involved in such a strategy, are unclear

Companies are searching all over the world for deposits of geologic hydrogen that could be used as clean fuel, and a mine in Albania could give them clues about where to look

Microbes that rapidly convert CO2 to rock could lock away the greenhouse gas in deep underground storage sites, such as depleted oil and gas reservoirs

Strange volcanoes called kimberlites bring diamonds up from Earth's depths. Scientists have always struggled to understand why they switched off millions of years ago – but perhaps they didn't

Smoke from wildfires burning in Canada and Mexico is already worsening air quality in the US, but some signs suggest clearer skies than last year

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

Simulations suggest that when a quantum battery shares a quantum state with the device it is powering, the device can gain more charge than was stored in the battery to begin with

Diets that claim to control excess oestrogen or stress hormones are all the rage on Instagram and TikTok. They could be good for us, just not for the reasons claimed

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

Feedback digs into a baffling ad for a mobile game and identifies a new and devilish way to advertise a product online: make it as confusing as possible to encourage people to click (it worked on Feedback)

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

Experiments where vampire bats were made to run on a treadmill have revealed how they extract energy from protein in their latest blood meal

We are living in a vaccine-hesitant moment, with conspiracy theories thriving on social media. We need to push back, says Simon Williams

When it comes to the survival of animals living in the wild, the characteristics of the group can matter as much as the traits of the individual, according to a study in marmots

The controversies surrounding football’s video assistant referee (VAR) system highlight our troubled relationship with uncertainty – and point to potential solutions

You might have heard about plans to establish a self‑sustaining city on Mars. Here’s what life would really be like on the Red Planet

New archaeological evidence shows that ancient humans ate each other surprisingly often - sometimes for compassionate reasons. The finds give us an opportunity to reassess our views on the practice

Archaeologists say a mysterious language inscribed on a 2000-year-old metal hand may be related to Basque, but linguists aren't convinced

The skeletons of ancient Egyptian scribes reveal the health toll of sitting on the floor while performing administrative tasks like writing

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