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Colourful bacteria

Life

Gene tweak in gut bacteria could turn faeces blue if you’re ill

Giving bacteria genes to make them change colour when mice have gut disorders turns mouse droppings blue in lab tests. It could theoretically work in humans

News

Health

Number of hepatitis C infections in US at 15-year high

News

Memo to whoever lands the world's top health job – do this first

Health

Memo to whoever lands the world's top health job – do this first

Comment

Testing person suspected of having Ebola in Liberia in 2014

Health

Ebola once again on the prowl as emergency teams stand ready

News

A colorectal cancer

Health

First timeline of a cancer tracks tumours from origin to spread

News

vaccination

Health

Minnesota measles outbreak follows anti-vaccination campaign

News

offices

Life

Wish you had a shorter workday? Here's why that's a bad idea

Insight

A Goya etching published in 1799

Health

Did Goya get an autoimmune disease before his art went scary?

News

Pregnant women in swimming pool

Health

Zika outbreak may have led to fewer births in Rio de Janeiro

News

Chlamydia vaccine for koalas slows spread of deadly disease

Life

Chlamydia vaccine for koalas slows spread of deadly disease

First results from trials of single-jab vaccine offer hope that the sexually transmitted disease devastating Australia’s koala population can be halted

News

Health

Zika mosquito is spreading worldwide but WHO wants to stop it

News

Health

Cheap stroke drug boosts pancreatic cancer survival in mice

News

Health

Lyme disease is set to explode and we still don’t have a vaccine

Insight

Health

Can a new history of vaccination silence doubters?

Culture