51动漫

Image of the buoy that can charge itself using wave power

Technology

Self-charging buoy could harness wave power to monitor the oceans

A buoy powered by the movement of waves could be used to sense water levels for early flood warning systems or to check long-term water quality

A Navajo Nation police officer smooths dirt over the grave of a person who died of covid-19 in Tuba City, Arizona

Health

Life expectancy of Native American peoples falls 4.7 years since 2019

Carbon monoxide foam in a petri dish

Health

Carbon monoxide foam in the rectum eases bowel disease in mice

Reactions in A Facebook post

Technology

The headline tricks that make people share news stories on Facebook!?!

2APGEY7 Coyote (Canis latrans), a presumable natural hybrid with red wolf (Canis rufus) in a wet meadow, Galveston, Texas, USA.

Life

Ghost DNA from hybrid coyotes could save endangered red wolves

African couple owner fresh grocery organic shop; Shutterstock ID 615928364; purchase_order: -; job: -; client: -; other: -

Society

We should celebrate the diversity and knowledge of farmers’ markets

Health

Advising alcohol abstinence in pregnancy may do more harm than good

M5J5BX Woman having a healthy meal in a cafe

Health

How readily should we swallow the idea of diets that delay ageing?

'Dogor', an 18,000 year-old wolf puppy from Yakutia which was included in the study

Life

Dogs are descended from two populations of ancient wolves

Life

Hawks forward dive and then swoop up to hit the brakes before landing

A diving manoeuvre used by raptors to slow down before landing on a branch could improve technology for flying and perching drones

Health

We may have misunderstood how norovirus and other gut viruses spread

Health

What’s next for the gene-edited children from CRISPR trial in China?

Technology

Acoustic levitation used to build complex structures in mid-air

Space

Asteroid Bennu may have got its spinning-top shape from landslides