Ancient humans took two routes to Australia 60,000 years ago
Ancient humans took two distinct routes to what is now Australia Helen Farr and Erich Fisher When and how ancient
Origin story of domestic cats rewritten by genetic analysis
Domestic cats are descended from North African wildcats Mariia Boiko/Alamy Genetic evidence has revealed that domestic cats originated in North
A new understanding of causality could fix quantum theory’s fatal flaw
The ball rolls across the floor because it was kicked, just as Earth orbits the sun because it is tugged
Astronomers may have glimpsed evidence of the biggest stars ever seen
Artist’s impression of a field of Population III stars 100 million years after the big bang NOIRLab/NSF/AURA/J. da Silva/Spaceengine/M. Zamani
Kissing may have evolved in an ape ancestor 21 million years ago
Romantic kissing may go a long way back in our evolutionary past ATHVisions/Getty Images Early humans like Neanderthals probably kissed,
Rapid melt from Antarctica could help preserve crucial ocean current
Melting ice in Antarctica could have an impact on ocean currents JUAN BARRETO/AFP via Getty Images While the melting of
Fossil fuel emissions rise again – but China’s are levelling off
A lignite power plant in Germany Patrick Pleul/dpa/Alamy Worldwide fossil fuel emissions are set to rise 1.1 per cent in
Mysterious holes in Andean mountain may be an Inca spreadsheet
Aerial photo of the Band of Holes in Monte Sierpe, Peru J.L. Bongers A hillside in Peru covered by more
A three-legged lion has learned to hunt in a completely unexpected way
Jacob, outfitted with a tracking collar, lost his left hind leg in a poacher’s snare Alex Braczkowski A lion that
Walking 3000 steps a day seems to slow Alzheimer’s-related decline
Even gentle exercise like walking boosts brain health Gordon Scammell/Loop Images/Universal Images Group via Getty Images Older people who are