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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

A sensor in use over a toilet

Health

AI listens to toilet sounds to guess whether people have diarrhoea

An artificial intelligence that can detect diarrhoea with 98 per cent accuracy from recordings of toilet sounds could help track outbreaks of diseases, such as cholera

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Group A streptococcus bacteria

Health

What we know so far about strep A child deaths in the UK

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The omicron coronavirus variant binding to a cell's ACE2 receptor

Health

Drug that targets ACE2 receptors may work against new covid variants

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H78XNF CLOSTRIDIUM DIFFICILE

Health

First faecal transplant treatment approved for use in the US

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An electron micrograph of an HIV virus particle (red/yellow) budding from the plasma membrane of an infected T cell (blue), which make up part of the immune system

Health

Vaccine prompts HIV antibodies in 97 per cent of people in small study

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Mandatory Credit: Photo by JEROME FAVRE/EPA-EFE/Shutterstock (13641875g) Mainland Chinese students hold sheets of blank paper during a vigil for the victims of China's zero-COVID policy and the victims of the Urumqi fire at the University of Hong Kong in Hong Kong, China, 29 November 2022. Protests against China's strict COVID-19 restrictions have erupted in various cities including Beijing and Shanghai, triggered by a tower fire that killed 10 people in Xinjiang's capital, Urumqi. University students hold a vigil for the victims of China's zero-COVID policy, Hong Kong - 29 Nov 2022

Health

China's failure to vaccinate makes giving up on zero covid a huge risk

Analysis

A recreation of a Neanderthal man

Health

Antibiotics encoded in Neanderthal DNA could help us fight infections

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Human sperm

Health

Sperm-blocking vaginal gel could be a reliable contraceptive method

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Alzheimer's may be caused by the accumulation of protein plaques and tangles in the brain

Health

Alzheimer's drug lecanemab slows cognitive decline but concerns linger

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Illustration of Yersinia pestis bacteria

Health

An mRNA vaccine protects mice against deadly plague bacteria

The bacterium Yersinia pestis causes frequent outbreaks that kill people, but a new vaccine based on cutting edge technology has shown promise in a mouse study

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Health

Drug clears sleeping sickness parasite from the body in clinical trial

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Health

How postbiotics could boost your health and even help reverse ageing

Features

Health

Boarding school rules on phones and bedtimes help teens get more sleep

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Health

Do we have 'immunity debt' and how could it affect our infection risk?

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