News
-
ArchaeologyLasers reveal ancient urban sprawl hidden in the Amazon
South America’s Casarabe culture built a network of large and small settlements in what’s now Bolivia centuries before the Spanish arrived.
By Bruce Bower -
NeuroscienceHeadbutts hurt the brain, even for a musk ox
Though musk oxen are built to bash, a study of the headbutters turned up signs of brain damage. But that may not be catastrophic for the bovids.
-
EcosystemsBiocrusts reduce global dust emissions by 60 percent
Lichens and other microbes construct biological soil crusts that concentrate nutrients and slash global dust emissions.
By Nikk Ogasa -
Planetary ScienceIce at the moon’s poles might have come from ancient volcanoes
Volcanic eruptions billions of years ago probably released enough water vapor to have deposited ice at the lunar poles, a study finds.