Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan

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Updated: 11 hours 35 min ago

A skilful primer makes sense of the mathematics beneath AI's hood

Wed, 07/24/2024 - 2:00pm
Anil Ananthaswamy's Why Machines Learn: The elegant maths behind modern AI explores the mechanics of the AI revolution, but doesn't examine its ethics
Categories: Astronomy

We're ignoring easy ways to encourage children to be physically active

Wed, 07/24/2024 - 2:00pm
Events like the Olympics and Paralympics can be inspiring. But to get more kids moving, we need to address the "enjoyment gap" by shifting the emphasis from competitive sport to activity and play
Categories: Astronomy

How much exercise do children really need – and what type?

Wed, 07/24/2024 - 1:00pm
Better fitness in children is linked to better cognition and health in later life, but the majority in the US and UK don't get nearly enough. Here's what parents can do
Categories: Astronomy

Jurassic fossils show modern mammals grow faster than ancient ones

Wed, 07/24/2024 - 12:00pm
The 166-million-year-old fossils of an adult and a juvenile of the same extinct mammal species reveal that they had longer "childhoods" and lifespans than similar species today
Categories: Astronomy

Trees have an extra climate benefit thanks to methane-eating microbes

Wed, 07/24/2024 - 12:00pm
Methane, a potent greenhouse gas, is converted to CO2 by microbes in tree bark, meaning trees are even better for the climate than we thought
Categories: Astronomy

How fast do we get out of shape and is there a way to slow the loss?

Wed, 07/24/2024 - 11:00am
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
Categories: Astronomy

We may finally know how the placebo effect relieves pain

Wed, 07/24/2024 - 10:33am
A brain circuit discovered in mice could explain why placebo treatments ease pain in people
Categories: Astronomy

How to use psychology to hack your mind and fall in love with exercise

Wed, 07/24/2024 - 9:00am
If the idea of exercise is more attractive than the reality, you aren't alone. But there are ways to train your motivation and develop better habits
Categories: Astronomy

Moon bases will need to be 3 metres underground to avoid radiation

Wed, 07/24/2024 - 8:37am
To keep long-term moon residents safe from harmful radiation, lunar bases will need to be built several metres under the surface or inside caves or lava tubes
Categories: Astronomy

AI can predict tipping points for systems from forests to power grids

Wed, 07/24/2024 - 8:00am
Combining two neural networks has helped researchers predict potentially disastrous collapses in complex systems, such as financial crashes or power blackouts
Categories: Astronomy

Komodo dragons have teeth capped with a layer of iron

Wed, 07/24/2024 - 7:55am
An orange layer on the tips of Komodo dragons’ teeth may give the enamel extra strength for ripping apart their prey
Categories: Astronomy

Collision between boat and basking shark captured by camera tag

Wed, 07/24/2024 - 4:00am
Researchers are calling for greater protection for basking sharks after a camera on a tagged shark recorded a collision for the first time
Categories: Astronomy

Neanderthal cooking skills put to the test with birds and stone tools

Wed, 07/24/2024 - 1:00am
In an effort to understand ancient Neanderthal food preparation techniques, researchers butchered five wild birds using flint stone tools and roasted them
Categories: Astronomy

Physicists may now have a way to make element 120 – the heaviest ever

Tue, 07/23/2024 - 6:00pm
A method that helped create two atoms of the rare, super-heavy element livermorium may pave the way towards making the hypothetical element 120
Categories: Astronomy

Could we set Uranus on fire to steal its hidden diamonds?

Tue, 07/23/2024 - 2:04pm
It would be tricky to burn away the outer layers of Uranus, but doing so could reveal a possible stash of gems – in this episode of Dead Planets Society, the hosts reveal a relatively simpler technique to rob the ice giant
Categories: Astronomy

Can solar panels designed for space boost clean energy on Earth?

Tue, 07/23/2024 - 2:00pm
Efficient solar panels have helped make solar power the cheapest form of energy on the planet, and new designs based on space-age technology are going further
Categories: Astronomy

Why slow running could be even more beneficial than running fast

Tue, 07/23/2024 - 1:00pm
The slow-running movement, in which people meet for unhurried jogs, is booming – but don't be fooled into thinking that if there's no pain, there's no gain
Categories: Astronomy

If your gym instructor is an iPad, what is lost – and gained?

Tue, 07/23/2024 - 11:30am
When your gym class is online at home, you don't necessarily need to miss out on the benefits that come from exercising in-person with others
Categories: Astronomy

Robot dog can stifle weeds by blasting them with a blowtorch

Tue, 07/23/2024 - 11:00am
A Spot robot equipped with a blowtorch can locate weeds on farms and precisely heat them up to stop them growing, offering a possible alternative to herbicides
Categories: Astronomy

Robot dog can stifle weeds by blasting them with a flamethrower

Tue, 07/23/2024 - 11:00am
A Spot robot armed with a flamethrower can locate weeds on farms and precisely heat them up to stop them growing, offering a possible alternative to herbicides
Categories: Astronomy