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The google universal quantum computer

Technology

Google has reached quantum supremacy – here's what it should do next

Google's quantum computer can outpace supercomputers at a useless calculation, but there are still plenty of hurdles left before the technology hits the big time

Analysis

Burning rainforest

Environment

Beef-eating consumers are helping drive Amazon deforestation

Analysis

A lone tree

Environment

Why are countries failing on their promise to stop deforestation?

Analysis

UK court backs police use of face recognition, but fight isn't over

Technology

UK court backs police use of face recognition, but fight isn't over

Analysis

Fusion is a feeling of

Mind

Strong support for Trump linked to willingness to persecute immigrants

Analysis

Live, weakened virus is used in some forms of the polio vaccine

Health

Wild polio has been eradicated in Nigeria but infections will continue

Analysis

Alzheimer's disease causes damaged to the brain

Health

Why the news on dementia deaths is not as bad as it sounds

Analysis

An RAF helicopter drops bags of aggregate to shore up the dam and divert water

Environment

The world's ageing dams are not built for ever more extreme weather

Analysis

A person on her phone

Technology

It's too soon to tell if DeepMind's medical AI will save any lives

Analysis

Fake news is not our friend Facebook advert

Technology

Facebook's fact-checking process is too opaque to know if it's working

Facebook isn't transparent enough about its fact-checking initiative to know if it's working and it needs to ramp up the operation, says a new report

Analysis

Health

Does the drop in US drug deaths mean the opioid crisis is ending?

Analysis

Health

Why most new medicines are no better than existing treatments

Analysis

Mind

World’s top personality test doesn’t really work – should we ditch it?

Analysis

Technology

Ransomware attacks are on the rise and the criminals are winning

Analysis