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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

A scanning electron microscope image of the magic mushroom species Psilocybe cubensis, the highly potent psychedlic that the woman with Alzheimer's was given

Health

Woman with Alzheimer's starts conversing again after taking psilocybin

A woman with severe Alzheimer's disease who hadn't spoken more than monosyllables in years began initiating conversation after a single dose of psilocybin

News

How menopause radically changes the brain – and what happens after

Health

How menopause radically changes the brain – and what happens after

Features

A scanning electron micrograph of the intestinal lining of a mouse, with several bacteria (green) and one red blood cell (red)

Health

Faecal transplant makes the brains of old mice act young again

News

Health

Can prebiotics, probiotics or postbiotics help your ageing microbiome?

Comment

Health

Cervical cancer deaths have plummeted thanks to HPV vaccine

News

Health

Chilling the body with drugs could limit brain damage from stroke

News

Health

Sperm have been made magnetic to allow IVF inside the body

News

Health

The social media ban is an experiment – here’s how it will be studied

News

Health

Vaping after quitting smoking is linked to lung cancer

News

Balanced diet nutrition keto concept. Assortment of healthy ketogenic low carb food ingredients for cooking on a kitchen table. Green vegetables, meat, salmon, cheese, eggs. Top view background

Health

Why controversial ideas in science shouldn't always be dismissed

Researchers suggesting that the keto diet could treat mental health conditions find themselves uncomfortably aligned with people like vaccine-sceptic Robert F. Kennedy Jr, but that is not a reason to reject the idea

Leader

Health

Understanding anorexia’s grip on the brain could unlock new therapies

Features

Health

Unpicking endometriosis reveals how it affects more than the pelvis

News

Health

You could get some of the benefits of sleep without having to nod off

News

Health

Are we getting to the point where it's safe to gene-edit babies?

Analysis