快猫短视频

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Editor's picks

Neuron system hologram - 3d rendered image of Neuron cell network on black background. Hologram view interconnected neurons cells with electrical pulses. Conceptual medical image. Glowing synapse. Healthcare concept.

Health

How mental effort can build a cognitive reserve against brain ageing

Health

We may finally know how cognitive reserve protects against Alzheimer’s

Space

Seven wonders of the Milky Way: An astronomer鈥檚 guide to the galaxy

CX3N7J View down Paul Revere Mall to the Old North Church on the Freedom Trail, North End, Boston, Massachusetts, USA

Environment

The trees in our cities are dying 鈥� a sick microbiome may be to blame

Table of contents

Leaders

Neuron system hologram - 3d rendered image of Neuron cell network on black background. Hologram view interconnected neurons cells with electrical pulses. Conceptual medical image. Glowing synapse. Healthcare concept.

Health

How mental effort can build a cognitive reserve against brain ageing

Some people whose brains show hallmarks of Alzheimer's disease display none of its symptoms. Now, finally, we are getting to the bottom of this mystery and how it might aid us in forestalling dementia

快猫短视频

Technology

Ukrainian AI attack drones may be killing without human oversight

Ukraine is using drones equipped with artificial intelligence that can identify and attack targets without any human control, in the first battlefield use of autonomous weapons or "killer robots"

Humans

A site used by ancient humans was also a latrine for giant hyenas

Environment

Dusting and vacuuming reduce wildfire air pollution inside homes

Health

High-dose vitamin D may lower your risk of going to hospital

Humans

Student uses AI to decipher word in ancient scroll from Herculaneum

Earth

Earth鈥檚 core is oddly squishy and we may now know why

Health

We now have the most detailed description of the human brain ever

Mathematics

AI is helping mathematicians build a periodic table of shapes

Life

Inventions based on threatened animals like rhinos are on the rise

Environment

Toys produce far more electronic waste than vapes

Space

Samples from asteroid Bennu contain the key ingredients of life

Humans

Early humans lived in Ethiopian highlands 2 million years ago

Environment

Climate change may be improving the quality of Bordeaux wines

Health

Simple blood test tweak could make intensive care treatment safer

Space

Two giant planets collided and vaporised in a distant star system

Space

We could make roads on the moon by melting lunar dust

Humans

Mysterious Viking queen may have helped unify Denmark in the 900s

Life

Female frogs sometimes play dead to avoid mating with males

Analysis

Physics

Could nuclear weapons testing resume as global tensions rise?

Only North Korea has detonated nuclear weapons during the 21st century, but recent indications suggest Russia, the US and China are preparing to resume tests

Technology

Let’s use AI to rethink education, instead of panicking about cheating

Health

The surprising ways cannabis can be part of drug addiction treatment

Environment

Why I won’t be buying sea-farmed salmon ever again

Aperture

1st Place Hassanain Qambari & Jayden Dickson The Lions Eye Institute Department of Physiology & Pharmacology Perth, Western Australia, Australia Rodent optic nerve head showing astrocytes (yellow), contractile proteins (red) and retinal vasculature (green) Confocal, Fluorescence, Image Stacking 20X (Objective Lens Magnification)

Comment

Intricate photo of rat’s retina wins Nikon Small World competition

See the inside of a rodent鈥檚 eye like never before, alongside other commended images from the Nikon Small World Photomicrography Competition

Features

Health

We may finally know how cognitive reserve protects against Alzheimer’s

Why does mental effort lead to a more resilient brain that can withstand dementia and decline? We are now discovering the mechanisms behind this cognitive reserve, opening up new ways to boost it

Environment

The trees in our cities are dying 鈥� a sick microbiome may be to blame

Space

Seven wonders of the Milky Way: An astronomer鈥檚 guide to the galaxy

Culture

2G6HE5R ANNIE JUMP CANNON (1863-1941) American astronomer and suffragist. about 1920

Comment

Her Space, Her Time review: Trailblazing women astronomers

A disdain for misogyny past and present shines through in Shohini Ghose's rich history of women's underappreciated contributions to astronomy and physics

Comment

Blood in the Machine review: Going back to the Luddites

Comment

快猫短视频 recommends: Spies, Lies and Deception and Chimp Empire

Comment

Cocoon review: One of the biggest gaming treats of the year

More

Our home galaxy, the Milky Way in a starry sky. The three bright stars Deneb (left), Vega (middle top), and Altair (right) form the Summer Triangle. The red cloud near the star Deneb is the North America Nebula.

Space

How to spot the constellation Aquila and its deep-sky objects

Use the night sky pattern known as the summer triangle to help you track down Aquila, the eagle, and its collection of open star clusters, says Abigail Beall

Tom Gauld on optimising good ideas

Twisteddoodles on new tech able to keep track of your missing items

Regulars

Major breakthrough for beer-foam-aroma-measuring scientists

A new piece of research finally manages to find a way of measuring the aroma in beer foam - and discovers it is delicious

This Week鈥檚 Letters

Is the speed of light in high gravity different from in low gravity?

Why is the east coast of Madagascar so straight?

This week鈥檚 new questions

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