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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.

More than half of people who are infected with omicron may be unaware they are carrying the virus

Health

More than half of people infected with omicron may not know it

Out of 210 people who had antibodies suggesting they had recently had the covid-19 omicron variant, more than half were unaware they were carrying the virus

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Biological robots grown from human tracheal cells induced neuron healing in a laboratory experiment

Health

Living robots made from human cells may induce neuron healing

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Aerial image showing swirling water patterns at a waste management facility, Arizona, United States of America

Health

The secrets in our sewers helping protect us from infectious diseases

Features

An artificial intelligence that analyses the microbiome and then recommends personalised diets may relieve chronic constipation more effectively that the standard treatment

Health

AI that recommends diets based on the microbiome relieves constipation

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Having the left or right hemisphere of the brain removed as a child to treat epileptic seizures may not affect their ability to recognise words or faces as an adult

Health

People with half a brain removed do well at face and word recognition

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A pregnant person receives the Pfizer/BioNTech vaccine against covid-19 in Schwenksville, Pennsylvania in February 2021

Health

Covid-19 vaccines in pregnancy not linked to miscarriage or stillbirth

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The cornea made from pig collagen

Health

Cornea made from pig collagen gives people who were blind 20/20 vision

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Woman arranging vegetarian buffet

Health

Vegetarian women have 33 per cent higher risk of breaking a hip

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Illustration of woman sat on musical scale notation

Health

The power of quiet: The mental and physical health benefits of silence

Features

Shrews are thought to be the natural reservoir for a new pathogen called langya virus

Health

Langya virus: How serious is the new pathogen discovered in China?

Thirty five people are known to have been infected by Langya henipavirus in the Shandong and Henan provinces of China between December 2018 and May 2021

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Health

Immunity for common cold coronaviruses may ward off severe covid-19

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Health

Exceeding weekly alcohol recommendations linked to short chromosomes

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Health

Transfusing blood from an old mouse to a younger mouse causes ageing

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Health

One in 8 people got long covid after infection early in the pandemic

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