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HIV and AIDS

Orcas

Life

Orcas are spreading further into the Arctic Ocean as sea ice melts

Orcas – also known as killer whales – used to be unusual visitors to the Arctic Ocean off Alaska, but they are becoming more common there, which might be bad news for local ecosystems

News

Risso's dolphin

Life

Risso’s dolphins have invented rapid spin-dive technique for hunting

News

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

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

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Two people suppressed HIV for years while pausing medication

News

Marijuana joint in a hand

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

News

MRI scan of human head

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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: -

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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

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Having HPV while pregnant linked to increased risk of premature birth

News

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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

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