Uncategorized
-
Anthropology
Crocs take a bite out of claims of ancient stone-tool use
Reptiles with big bites complicate claims of Stone Age butchery.
By Bruce Bower -
Astronomy
A sandy core may have kept Enceladus’ ocean warm
Friction in Enceladus’ porous core could help heat its ocean enough to keep it liquid for billions of years.
-
Neuroscience
Alzheimer’s protein can travel from blood to build up in the brain
Experiments in mice show Alzheimer’s protein can travel from the blood of an affected mouse to the brain of a healthy animal.
-
Ecosystems
Invasive species are a growing global threat
'The Aliens Among Us' describes how invasive species are colonizing — and disrupting — ecosystems worldwide.
By Sid Perkins -
Climate
Humans are driving climate change, federal scientists say
Human influence “extremely likely” to be dominant cause of warming in last 70 years, U.S. climate report finds.
-
Animals
Here’s why some water striders have fans on their legs
A fan of tiny, elegant plumes on their legs helps certain water striders dash across flowing water without getting wet.
By Susan Milius -
Health & Medicine
Artificial insulin-releasing cells may make it easier to manage diabetes
Synthetic cells crafted in the lab could provide a more precise, longer-lasting diabetes treatment.
-
Planetary Science
See a new mosaic of images of comet 67P from the Rosetta mission
A montage of images taken by the Rosetta spacecraft and its lander, Philae, recap the daring mission to comet 67P.
-
Animals
Leafhoppers use tiny light-absorbing balls to conceal their eggs
Leafhoppers produce microscopic balls that absorb light rather than reflect it and help camouflage the insects’ eggs.
-
Animals
No more than 800 orangutans from this newly identified species remain
Endangered population of orangutans is the oldest surviving red ape lineage, a new study finds.
By Bruce Bower -
Animals
Ants were among the world’s first farmers
50 years ago, researchers began unraveling the secrets to Attine ants’ green thumbs.
-
Archaeology
Mystery void is discovered in the Great Pyramid of Giza
High-energy particle imaging helps scientists peek inside one of the world’s oldest, largest monuments.