News
- Life
Dinosaur fossil reveals creature of a different feather
Paleontologists have discovered a fossil partially covered with broad, unbranched filaments — a type of structure previously theorized to exist on primitive feathered dinosaurs but not found until now.
- Life
Genetic sameness could be factor in Tasmanian tiger extinction
The first complete mitochondrial genome of the Tasmanian tiger is revealed. Analysis shows little genetic diversity.
- Archaeology
Armenian cave yields ancient human brain
A team of scientists has excavated 6,000-year-old artifacts and three human skulls, including one containing a preserved brain, from a cave bordering Armenia’s Arpa River.
- Archaeology
Early chemical warfare comes to light
Investigations of a Roman garrison in Syria conquered in a massive assault by Persians nearly 2,000 years ago have uncovered evidence of the earliest known chemical warfare.
- Archaeology
Shipwrecks harbor evidence of ancient sophistication
Research on shipwrecks from two ancient, submerged harbors shows that frame-based shipbuilding emerged surprisingly early and then became more sophisticated within a few hundred years.
- Life
Superloud moth jams bat sonar
Newly recorded moth could be the first demonstrated case of natural sonar-jamming.
- Math
Calculating the geography of crime
A mathematician fine-tunes how to blend crime records, geography to track down serial criminals.
- Life
Love song of the dengue vector mosquito
Male and female mosquitoes harmonize pitch when in the mood.
- Health & Medicine
Sirtuin shown to control gene activity
A previously overlooked protein called SIRT6 provides some molecular clues to aging.
- Humans
Migrants settled New World in tandem
A genetic investigation of two rare types of mitochondrial DNA in Native Americans suggests that people first entered the Americas in two groups, following separate routes.
- Space
Tuned in to new noise from the cosmos
Unexplained radio noise may be signals from the early universe.
- Life
Fifty-two things to do with a bat wing
Bats swim, run, flirt and do lots of other nonflight jobs with their wings -- a fact that may have influenced evolution of the wing's architecture.
