Uncategorized
- Physics
Diamonds engage at the nano scale
Manipulating the quantum properties of diamond impurities makes diamond into a kind of microscope that could, for example, reveal the inner working of cells.
- Health & Medicine
Don’t forget diet composition
Caloric restriction, an antiaging technique, fails to lower levels of IGF-1, a growth factor that, in high amounts, is linked to cancer in humans. But cutting protein along with calories does decrease IGF-1.
- Life
Old fish, new fish, red fish, blue fish
A difference in vision in cichlids in Lake Victoria could be pushing a species to split into two.
- Health & Medicine
Pregnancy curiosity
Asian-Caucasian couples having children face slightly increased risks of pregnancy complications.
- Health & Medicine
Anthrax vaccine makeover
Revamped anthrax vaccination regimen eases some side effects that have hampered the vaccine’s acceptance.
- Humans
Machu Picchu’s far-flung residents
A new chemical analysis of skeletons at the Inca site of Machu Picchu strengthens the idea that the royal estate was maintained by retainers who had been uprooted from homes throughout the empire.
- Planetary Science
Water’s role in Martian chemistry becoming clearer
As mission nears end, Phoenix Mars Lander finds strong evidence for minerals similar to those formed on Earth by liquid water.
- Space
Hubble suddenly quiet
Updated September 30: After the orbiting observatory suddenly stopped transmitting data, NASA announced planned repair mission will be delayed at least until early next year
- Paleontology
Forget bird-brained
Scientists have uncovered a new dinosaur that breathed like a bird.
- Life
Curtain drops after ants’ final act
A handful of ants remain outside to close the colony door at sunset and sacrifice their lives in the act.
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Largest known prime number found
Featured Math Trek column: The Great Internet Mersenne Prime Search, a cooperative computing project, helps find a prime that has nearly 13 million digits.
- Math
Following the ocean swirls
The mathematics of dynamical systems reveals ocean dynamics, an understanding that could improve the monitoring of ocean processes.
