Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Omega-3 fatty acid is early boost for female preemies
DHA given to newborns in the first weeks following birth improves brain development in girls, but not boys.
- Earth
Steven Chu’s Senate Confirmation Looks Certain
Senate energy committee appreciates Obama's pick for Secretary of Energy.
- Health & Medicine
Going nano to see viruses 3-D
Nanoscale MRI-like machine images individual virus shapes; first step to seeing proteins in 3-D
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- 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.
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- 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.
- Math
Calculating the geography of crime
A mathematician fine-tunes how to blend crime records, geography to track down serial criminals.
- 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.
- Health & Medicine
Record low for human blood oxygen levels
Study of Mt. Everest climbers shows some bodies can tolerate low oxygen levels that are toxic to others.
