News
-
PhysicsYou haven’t heard it all
An experimental sound cloak can acoustically conceal objects.
By Devin Powell -
SpaceMost distant quasar raises questions
Superbright object appeared surprisingly soon after the Big Bang, challenging some theories about how black holes arose.
By Nadia Drake -
LifeAlzheimer’s plaques due to purging flaw
A gene controls the clearance of a protein that accumulates in the brains of people with the condition.
-
EarthBPA makes male mice less macho
Studies show that exposures in the womb or during adolescence can erase masculine habits or reverse sexes' behavior.
By Janet Raloff -
AnimalsLionfish no match for big groupers
Despite its invasive success, the lionfish can't withstand grouper appetites.