News
-
AnimalsScary Singing: Precise birds signal, ‘Don’t mess with us’
A pair of magpie-larks can advertise their toughness by the precision of the duets they sing.
By Susan Milius -
Health & MedicineBlending In: Dissolvable stents promise to protect arteries
A biodegradable magnesium stent props open clogged blood vessels and then dissolves, circumventing the problems linked to permanent metal stents.
By Nathan Seppa -
AnthropologyChicken of the Sea: Poultry may have reached Americas via Polynesia
Polynesians may have traveled back and forth to South America more than 600 years ago, introducing chickens to the Americas in the process.
By Bruce Bower -
TechNanotech bubbles
Creating large-scale, regular arrays of nanoscale components is now almost as easy as blowing bubbles.