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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.

Health

New type of brain cell may tell us when to stop eating

Mice have neurons that can be controlled to stop them eating - and people probably have them too

News

Coloured scanning electron micrograph (SEM) of methicillin-resistant Staphylococcus aureus (MRSA) bacteria.

Health

The shocking discovery that our gut microbiome drives ageing

Features

Health

Laughing gas could be picked up by a breathalyser

News

Health

Omega-3 supplements seem to slow down biological ageing

News

Health

'Obsolete' muscle that wiggles ears actually activates while listening

News

Health

Scratching an itch could help boost your immune defences

News

Health

Creatine shows promise for treating depression

News

Health

Is recycled plastic in utensils and toys really a big health concern?

Analysis

Muscle patch made from stem cells could treat heart failure

Health

Muscle patch made from stem cells could treat heart failure

News

A mouse with two fathers (left) and a control mouse (right) of the same age and sex

Health

Mice born with two fathers - but don't expect the same for people

For the first time that we know of, mice with two fathers have survived to adulthood, but the methods used would be "unthinkable" to try in people

Analysis

Health

Covid smell loss eased by injecting blood cells into the nose

News

Health

Wake up to the bigger picture on how to get a better night’s sleep

Leader

Health

The new science of sleep: How to sleep better whatever your lifestyle

Features

Health

A better understanding of our hormones and sleep could improve both

Features