News
- Neuroscience
Human brains make new nerve cells — and lots of them — well into old age
In humans, new neurons are still born in old brains, new research suggests.
- Earth
Efforts to contain Mississippi floods may have made them worse
Intensive management of the Mississippi River has increased the size of its largest floods, suggests a new study.
- Astronomy
A dozen new black holes found in Milky Way’s center
Twelve small black holes spotted in the Milky Way’s center suggest thousands more in the galaxy’s inner region.
- Climate
Seafloor map shows why Greenland’s glaciers melt at different rates
A new high-res look at the seafloor shows how ledges and dips affects whether relatively warm ocean water reaches the ice.
- Genetics
Birds get their internal compass from this newly ID’d eye protein
Birds can sense magnetic fields, thanks to internal compasses that likely rely on changes to proteins in the retina.
- Anthropology
Ardi walked the walk 4.4 million years ago
Ancient hominid evolved upright stance without sacrificing climbing ability.
- Animals
How honeybees’ royal jelly might be baby glue, too
A last-minute pH shift thickens royal jelly enough to stick queen larvae to the ceiling of hive cells.
- Health & Medicine
The science behind cancer warnings on coffee is murky at best
The risks of acrylamide in coffee are not as clear as a California court ruling may suggest.
- Materials Science
Eggshell nanostructure protects a chick and helps it hatch
The nanoscale structure of a chicken eggshell changes to fulfill different functions as the egg incubates.
- Animals
Toxins from the world’s longest animal can kill cockroaches
Bootlace worms can stretch up to 55 meters long and ooze toxins that can kill cockroaches and green crabs.
- Animals
Some frogs may be bouncing back after killer chytrid fungus
Frogs in Panama may be developing defenses against a fatal skin disease, a new study suggests.
- Archaeology
Footprints put people on Canada’s west coast 13,000 years ago
Island tracks indicate early New World settlers traveled down the North American Pacific coast about 13,000 years ago.
