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How safe is the US food supply?

Food in the US has a bad rap thanks to outbreaks caused by bacteria, plus processing, additives and food dyes, but the food supply is actually much less risky...

Changing a single number among billions can destroy an AI model

Today's huge AI models are composed of several billion numbers known as weights and...

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Orcas have begun wearing salmon hats again – and we may soon know why

About 40 years ago, researchers noticed a population of orcas had begun swimming around...

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Forest schools don’t actually boost most children’s mental health

Swapping classrooms for the woods doesn't appear to improve most children's mental health, but...

Science

The radical treatments bringing people back from the brink of death

Reperfusion technologies that can reanimate human brains are raising the possibility that death could...

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Are we really ready for genuine communication with animals through AI?

Thanks to artificial intelligence, understanding animals may be closer than we think. But we may not like what they are going to tell us,...

Chilling news adds fresh meaning to 2018 Arctic horror drama

A new study amplifies the horror of an excellent series about the doomed Franklin expedition. The Terror is a worthy tribute to the lost...

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...

The science of exercise: Which activity burns the most calories?

Running, swimming, HIIT or walking – what is the best way to work out? The answer is complicated, and depends on the person, finds...

Forget Hollywood, science has real plans to defend us from asteroids

Forget Armageddon-sized rocks, just one of 25,000 smaller asteroids could destroy a city on Earth. How to Kill an Asteroid by Robin George Andrew...

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...

Are fermented foods like kimchi really that good for your gut?

The health benefits of fermented food and drink have long been touted, but firm evidence in favour of kombucha, sauerkraut and kefir is surprisingly...

Can we really balance our hormones by eating certain foods?

Diets that claim to control excess oestrogen or stress hormones are all the rage on Instagram and TikTok. They could be good for us,...

Quantum batteries could discharge more power than they store

Simulations suggest that when a quantum battery shares a quantum state with the device it is powering, the device can gain more charge than...

The Amazon is teetering on the edge of a climate tipping point

In some recent years, the Amazon biome released more carbon than it absorbed, and further degradation could make it a permanent shift

Astronauts could hitch a ride on asteroids to get to Venus or Mars

Asteroids that regularly fly between Earth, Venus and Mars could provide radiation shielding for human missions to explore neighbouring planets

The surprising truth about the health benefits of snacking

We get about a quarter of our calories from snacks and new research shows that this isn't necessarily bad for us. Done right, snacking...

One course of antibiotics can change your gut microbiome for years

Antibiotics can reduce diversity in the gut microbiome, raising the risk of infections that cause diarrhoea - and the effects may last years

Do certain foods suppress inflammation and help you live longer?

Recent research shows that anti-inflammatory diets are not as faddish as they might sound, with the power to reduce the risk of heart attacks...

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