Uncategorized
-
Letters
Superfluid’s roots I’m confused. A little. I thought that a Bose-Einstein condensate occurred only in a gas and that the first time it was achieved was in 1995 using rubidium atoms. “A matter of solidity” (SN: 9/11/10, p. 22) states, “Superfluidity arises when the atoms in superfluid helium join up in a quantum state called […]
-
An engineer teaches her colleagues to share their toys
In her synthetic biology lab at Stanford, Christina Smolke designs circuits and switches using biological components, work that may lead to yeast that crank out medicines or ways to reprogram the immune system. Winner of the 2009 World Technology Award in biotechnology for doing work of “the greatest likely long-term significance” in her field, Smolke […]
- Paleontology
Ancient trumpets played eerie notes
Acoustic scientists re-create and analyze sounds from 3,000-year-old shell instruments for insight into pre-Inca civilization.
- Space
A cometary blizzard
NASA's EPOXI mission encountered a snowstorm when it zipped by Comet Hartley 2.
- Space
It came from another galaxy
Extrasolar planet traces its origin outside the Milky Way to an ancient neighboring galaxy.
- Physics
Antimatter, here to stay
Physicists trap antihydrogen for long enough to study the elusive material.
- Health & Medicine
New drug bumps up good cholesterol
Anacetrapib raises beneficial HDL while lowering harmful LDL, a medical trial finds, suggesting it may be a powerful new weapon against cardiovascular disease.
- Life
Genes jump more in one type of autism
A mutation that causes Rett syndrome also increases the activity of retrotransposons in the brain.
- Animals
DEET of the sea
Before turning in for the night, some reef-dwelling fish apply a slimy mucus shield to deter biting bugs.
- Health & Medicine
Mining fat tissue for cardiac repair
Stem cells that are abundant in adipose tissue seem to boost the recovery of heart tissues in people who survive the big one, early research shows.
- Health & Medicine
Jet lag makes hamsters dumb
A new study highlights the perils of shifting time zones.
- Health & Medicine
Flick of a whisker can prevent stroke damage in rats
A new study in animals suggests sensory stimulation could potentially provide a nondrug method for protecting human patients.
