Universal assembly instructions for the placenta
Our understanding of how mammalian embryos develop is based largely on mice. A study now reveals striking similarities and intriguing differences between mouse, cow and human embryos.
Face masks: what the data say
The science supports that face coverings save lives, and yet the debate trundles on. How much evidence is enough?
Last chance for WIMPs: physicists launch all-out hunt for dark-matter candidate
Researchers have spent decades searching for the elusive particles — a final generation of detectors should leave them no place to hide.
Alexa, do I have COVID-19?
Researchers are exploring ways to use people’s voices to diagnose coronavirus infections, dementia, depression and much more.
Water on Mars: discovery of three buried lakes intrigues scientists
Researchers say they have detected a group of lakes hidden under the red planet’s icy surface.
‘Apocalyptic’ fires are ravaging the world’s largest tropical wetland
Infernos in South America’s Pantanal region have burnt twice the area of California’s fires this year. Researchers fear the rare ecosystem will never recover.
Scientists use big data to sway elections and predict riots — welcome to the 1960s
A cold-war-era corporation targeted voters and presaged many of today’s big-data controversies.
Vaccines — lessons from three centuries of protest
Immunization has always been a proxy for wider fears about social control, a history reminds us
Microscopy illuminates charcoal’s sketchy origins
A large volume of charcoal sold in Europe comes from tropical forests and is often incorrectly labelled, raising questions about whether it was logged illegally.