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Uranium, a chemical element with a U symbol and an atomic mass equal to 238 u, has an atomic number 92

Technology

Material inspired by blood vessels can extract uranium from seawater

The oceans are a huge untapped store of uranium, which is vital for nuclear energy, and new technology could ensure a long-lasting supply

News

Molecular model of the drug Cocaine

Technology

AI can quickly identify structure of drugs designed for ‘legal highs’

News

2AKEMKH Amazon river dolphin (Inia geoffrensis) Rio Negro, Amazonas, Brazil.

Life

The Amazon's pink river dolphin population is in free fall

News

COP26: New alliance commits to ending oil and gas extraction

Environment

COP26: New alliance commits to ending oil and gas extraction

News

HIV-infected T-cell

Health

Two people suppressed HIV for years while pausing medication

News

Marijuana joint in a hand

Health

Quick saliva test can reveal cannabis use over the past 12 hours

News

The controversial new clinical trials that promise faster results

Health

The controversial new clinical trials that promise faster results

Features

MRI scan of human head

Health

Women are less likely to get pregnant for two years after a concussion

News

Woman taking sample for DNA test indoors, closeup; Shutterstock ID 1875765013; purchase_order: -; job: -; client: -; other: -

Health

DNA markers reveal if you shared a womb with twin that didn't survive

News

Woman and child wearing colorful pair of woolly socks warming cold feet in front of heating radiator in winter time. Electric or gas heater at home. Part of body, selective focus.

Environment

Blame fossil fuels, not renewables, for the UK's winter energy crisis

Rising gas prices mean the UK is facing a difficult winter and some people are keen to point the blame at the shift to renewables – but relying on fossil fuels will always lead to cyclical crises

Analysis

Health

Having HPV while pregnant linked to increased risk of premature birth

News

Health

It really is difficult to get fit after giving birth, study reveals

News

Life

Howler monkeys navigate using adaptable mental maps, just like humans

News

Life

Dolphins spotted trapping fish in mud rings in the Caribbean

News