News

Tech

Robot based on cartwheeling caterpillars

GoQBot curls itself up and takes off spinning.

Life

The eyespots have it after all

New experiments may reconcile conflicting views regarding what makes a peacock’s plumage attractive to females.

Life

Teamwork keeps fire ants high and dry

Scientists get a look at the physics that floats a bug's boat.

Earth

Volcanic ash gets its close-up

Last year’s eruption in Iceland spit out supersharp and potentially harmful particles, nanoscale images show.

Physics

Salt clouds relieve some Arctic warming

Sea sprays from increasingly open waters exert a cooling effect in the region.