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Ancient lead exposure may have influenced how our brains evolved
Prehistoric hominids have been exposed to poisonous lead for at least 2 million years, a study of fossil teeth suggests,…
Why the next generation of mRNA vaccines is set to be even better
Vaccines that resemble viruses generally produce a stronger immune response, while mRNA versions are much quicker and cheaper to make.…
CO2 levels in Earth’s atmosphere jumped by a record amount in 2024
Atmospheric carbon dioxide levels jumped by a record amount in 2024 to push concentrations to their highest point since measurements…
The 30-year fight over how many numbers we need to describe reality
It all started one summer lunchtime in 1992 on the terrace outside the CERN cafeteria. If you had happened to…
Dinosaur fossil rewrites the story of how sauropods got long necks
High in the Argentinian Andes, a team of palaeontologists has found a small dinosaur fossil with the first hints of…
The AI bubble is heading towards a burst but it won’t be the end of AI
The hundreds of billions of dollars being spent on AI seem to have inflated a global financial bubble that’s now…
Connections at school could limit bullying’s harm to mental health
Stronger connections at school can help limit some of the harm from bullying, new research suggests. That good news could…
A radical rethink of what makes your diet healthy or bad for you
I am standing in the bathroom with a strip of litmus paper in my hand. I am going to pee…
Who were the first humans to reach the British Isles?
This is an extract from Our Human Story, our newsletter about the revolution in archaeology. Sign up to receive it in…
‘Pregnancy test’ for skeletons could help reveal ancient mothers
Scientists are homing in on a pregnancy test for women who lived hundreds or even thousands of years ago. For…