Uncategorized
-
EcosystemsEight-legged bags of poison
Birds eating arachnids get high dose of toxic metal as mercury climbs up the food chain.
-
SpaceSearching for superEarths
Astronomers are exploring a new family of planets beyond the solar system.
By Ron Cowen -
-
EcosystemsBeetle attack overturns forest carbon regime
Ravaged Canadian region switches from carbon sink to net carbon source.
By Susan Milius -
SpaceBlack hole once glowed brightly
More than 26,000 years ago, the Milky Way's central black hole suddenly but fleetingly increases its X-ray output.
By Ron Cowen -
AgricultureStudy decodes papaya genome
Scientists have added another plant to the genome-sequencing roster: the tropical fruit tree papaya.
-
EarthMelt pond falls through ice in Greenland
A lake of meltwater atop Greenland's ice sheet wedged open a crack in the underlying ice that drained the lake dry.
By Sid Perkins -
Health & MedicineOld drug offers new tricks for fighting cancer
A drug once envisioned as a treatment for cancer might instead prevent the occurrence of colorectal cancer.
By Nathan Seppa -
Health & MedicineTriggering autoimmune assaults
Mouth bacteria unleash inflammation-inducing protein
By Janet Raloff -
LifeElephant kin liked the water
Moeritherium, ancient relatives of modern elephants, may have spent much of their time in lakes, rivers or swamps.
By Sid Perkins -
PaleontologyChina was an ancient-ape paradise
Fossil dig uncovers the oldest known remains of ancestral gibbons
By Bruce Bower -