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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.

Tedros Adhanom Ghebreyesus, director general of the World Health Organization

Health

Covid-19 threat expected to become on par with flu this year, says WHO

The World Health Organization is considering downgrading covid-19 from a public health emergency of international concern, its highest level of alert, as the coronavirus is now less likely to cause serious illness or overload healthcare services

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Bacteria Klebsiella, 3D illustration. Gram-negative rod-shaped bacteria which are often nosocomial antibiotic resistant

Health

Gut bacteria that break down oestrogen linked to depression in women

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Health

Maternal mortality rate in the US rose drastically in 2021

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A transmission electron micrograph of HIV virus particles (pink) replicating from the plasma membrane of an infected immune cell

Health

Umbilical blood stem cell transplant puts woman in HIV remission

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microscope images showing ciprofloxacin-resistant E. coli (credit: University of Oxford)

Health

Become a citizen scientist in the fight against antibiotic resistance

Regulars

3D abstract dna strands with shine light; Shutterstock ID 1792371352; purchase_order: -; job: -; client: -; other: -

Health

Genome technology is transforming healthcare but what should we allow?

Leader

Health

Caffeine linked to lower BMI and reduced risk of type 2 diabetes

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DNA molecule. Polygenic tests can reveal your future risk of many diseases

Health

New DNA tests predict your disease risk – are we ready for them?

Features

A micrograph of oestrogen-receptor positive breast cancer tissue, showing slowly dividing cancer cells (red) that resist treatment, the cells' nuclei in blue and rapidly dividing cancer cells in green

Health

Leukaemia drug shows promise at treating breast cancer once it spreads

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Emotions like disgust and fear linked to more acidic stomach pH

Health

Emotions like disgust and fear linked to more acidic stomach pH

People who reported feeling the most disgusted or frightened after watching a series of videos had a more acidic stomach pH compared with other study participants. It is unclear if these emotions cause the acidity or if an acidic pH makes people feel emotions more intensely

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Health

Rapid genome sequencing helps save hundreds of critically ill babies

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Health

A common and treatable cause of heart attacks is being overlooked

Analysis

Health

Mice have been born from eggs derived from male cells

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Health

Changes to surrogacy laws must consider future reproductive technology

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