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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 woman is holding a placard with a sanitary towel with fake blood, during the Women's March held in Amsterdam, on March 8th, 2020. (Photo by Romy Arroyo Fernandez/NurPhoto via Getty Images)

Health

Exploring PMS is a great idea, but The Period Brain can be simplistic

Premenstrual syndrome and its symptoms is neglected by science, so Sarah Hill's new book is welcome. But it needs more on genetics, not just lifestyle changes, says Alexandra Thompson

Culture

Health

We now know why a belly button becomes an 'innie'

News

Health

Egg cells made with DNA from human skin fertilised in the lab

News

The exceptionally tasty new fermented foods being cooked up in the lab

Health

The exceptionally tasty new fermented foods being cooked up in the lab

Features

Cannabis extract found to be effective for lower back pain

Health

Cannabis extract found to be effective for lower back pain

News

The top image shows an untreated bacterium; the bottom shows a bacterium after 90 minutes of being exposed to the antibiotic

Health

Extraordinary pictures show what a common antibiotic does to E. coli

News

Health

Two-in-one inhalers slash asthma attacks among young children

News

Health

Lung inflammation may make traumatic events harder to forget

News

Health

How fast you age may be controlled by a DNA repair boss in your cells

News

Health

Huntington’s disease breakthrough: what to know about the gene therapy

Huntington’s disease has been successfully treated for the first time using a gene therapy, which may be available in the US as soon as next year

News

Health

We can avoid the agonising wait for advances in women's healthcare

Leader

Health

World’s oldest person had a young microbiome and 'exceptional genome'

News

Health

What we know, and don't, about the link between painkillers and autism

Analysis

Health

A deeper understanding of endometriosis is suggesting new treatments

Features