Artificial brains with less drain
Biologically inspired electronic neurons could boost the efficiency of artificial-intelligence systems.
Longer walks beat shorter strolls for heart health
People who rack up most of their daily steps in walks lasting less than five minutes have a higher risk of cardiovascular disease than do those who amass their steps in big blocks.
Secret route to warm cosmic ‘inflation’: the nuclear force
Modelling shows how the infant Universe might have stayed warm and dense during its primoridal expansion.
Forests’ misty breath sustains crops in distant lands
The moisture emitted by forests travels across national borders to provide precipitation to far-away fields.