Acid bath: The new threat to lakes and rivers
25 April 2018
Freshwater acidification was supposed to be a thing of the past, but it’s back and it could be even worse this time
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Premium
Origin of our species: Why humans were once so much more diverse
25 April 2018
The idea that all humans evolved from a small population in East Africa turns out to be wrong. Our beginnings were far stranger and more colourful
Russia cuts off Google and Amazon by trying to ban Telegram app
25 April 2018
Russia has unintentionally knocked out several major cloud services in ongoing efforts to cut access to secure messaging app Telegram
Theorem of everything: The secret that links numbers and shapes
25 April 2018
For millennia mathematicians have struggled to unify arithmetic and geometry. Now one young genius could have brought them in sight of the ultimate prize
Ants build a medieval ‘torture rack’ to catch grasshoppers
24 April 2018
A species of tropical ant builds traps on tree trunks that allow them to catch prey almost fifty times their size, by biting their legs and spread-eagling them on the tree surface
Oxygen may have helped complex life arise a billion years early
23 April 2018
Earth’s air suddenly got a lot more oxygen around 1.6 billion years ago and that could have triggered the evolution of large multicellular organisms
Finger-prick test reveals fetus's sex in the first trimester
23 April 2018
Women can now find out whether they are having a boy or a girl using a single drop of blood as soon as they are eight weeks pregnant
Worst mass extinctions may have been caused by rising mountains
23 April 2018
A pair of mass extinctions struck in quick succession just before the dinosaur era, and the birth of a mountain range in South Africa may have been partly to blame
The US army has made a virtual North Korea to train its soldiers
20 April 2018
The US army has built a system that can quickly create virtual locations for soldiers to train in. It took only three days to make North and South Korea
Distant Jupiter-like world may be the darkest planet ever found
20 April 2018
The clouds on WASP-104b – an exoplanet orbiting a star 466 light years away – have been swept away by radiation, leaving a surface that reflects almost no light
