Medical research

Neutral mutants can prevail in gut microbiota, enhancing diversity

Scientists at EPFL and Sorbonne propose a new model of the diversity and evolution of gut bacteria that shows how the gut environment helps neutral mutations become prevalent, with significant potential implications on health ...

Health

China's births fall in 2021, as workforce shrinks

The number of babies born in China fell again last year, official data showed Monday, adding to pressure on the ruling Communist Party's ambitions to boost national wealth and influence with a workforce that has been shrinking ...

Health

US population growth at lowest rate in pandemic's 1st year

U.S. population growth dipped to its lowest rate since the nation's founding during the first year of the pandemic as the coronavirus curtailed immigration, delayed pregnancies and killed hundreds of thousands of U.S. residents, ...

Immunology

A tiny molecule with a big impact

Nitric oxide (NO) occurs naturally in the human body as a messenger substance. It is considered an all-rounder, as it performs numerous important regulatory functions, including immune defense against pathogens. The exact ...

Diseases, Conditions, Syndromes

The inside story of England's COVID pandemic described in new study

The COVID-19 crisis that gripped the UK between September 2020 and June 2021 can be thought of as a series of overlapping epidemics, rather than a single event, say researchers at the Wellcome Sanger Institute, EMBL's European ...

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