Giddy-up: origins of the domestic horse uncovered
Ancient equine mystery traced to the steppes of the northern Caucasus.
A winter’s tale (in the Kuiper belt)
As Pluto’s orbit takes it further from the Sun, scientists get an opportunity to study how the dwarf planet stores heat.
Incredible ancient footprints are oldest trace of people in North America
The footprints were embedded in what was once a muddy lakeshore up to 23,000 years ago.
Bruce the beakless kea uses tools to spruce himself up
Scientists have observed a disabled kea using tools to help look after himself.
Game-changing GM crop finally planted in Nigeria
After decades of research, Nigeria’s farmers are growing a GM version of their staple legume that will help millions combat hunger and poverty.
Alice Hamilton hates heavy metal
This medical pioneer deplored the devastating effects of leaded petrol when it was first introduced – but her dire predictions were ignored for decades.
How a 310-million-year-old brain works
Well-preserved horseshoe-crab brain fills gaps in evolutionary knowledge.