All Stories
-
Health & MedicineGestures speak volumes in the brain
A new brain-imaging study suggests that an understanding of spoken language relies on changing sets of brain networks that exploit acoustic and visual cues.
By Bruce Bower -
EcosystemsExxon Valdez killed future for some killer whales
An Alaskan oil spill disrupted family structure in killer-whale groups, with lasting and dramatic repercussions.
By Janet Raloff -
EarthExxon Valdez 20 Years Later
March 24 marked the 20th anniversary of the Exxon Valdez oil spill. The effects are still obvious today. A series of blogs from senior editor Janet Raloff describes the continuing aftermath.
By Janet Raloff -
Health & MedicineMale circumcision fends off the most common STDs
Male circumcision prevents some genital herpes and human papillomavirus infections, a study in Ugandan adolescent boys and men shows.
By Nathan Seppa -
SpaceAsteroid tracked from space to Earth
For the first time, researchers followed an asteroid from space to its crash into Earth, providing the opportunity to study an asteroid in a new way.
-
Health & MedicineLicorice may interfere with certain drugs
Studies in rats suggest that the active compound in licorice root can promote or hinder the availability of certain drugs.
-
HumansOtters and oil: Problems remain
The behavior of Alaska's southern sea otters may unwittingly expose them to toxic oil-spill residues.
By Janet Raloff -
AnimalsIt’s not just his croak
Male tree frogs with redder vocal sacs prove more popular with females, even at night.
By Susan Milius -
Birds, bats leave different wakes
The aerodynamic tale left behind a bird is different from that left behind a bat.
By Sid Perkins -
Health & MedicineEarly anesthesia may hinder kids’ learning
Young children who get general anesthesia more than once before age 4 may be at increased risk of developing a learning disability later in childhood, a new study finds.
By Nathan Seppa -
ChemistryExxon Valdez oil lingers, as does its toxicity
Even 20 years after a major oil spill, barely degraded pockets of the oil persist within some intertidal beaches, research shows.
By Janet Raloff -
AgricultureFighting fungal weapons, not fungi
Scientists have engineered several compounds that target an enzyme that blackleg and black spot fungi use to thwart plant defense systems. The selective compounds are designed not to harm beneficial species while still protecting valuable crops.