Uncategorized
- Health & Medicine
Old antibiotic takes on Alzheimer’s
An antibiotic that binds copper and zinc may prevent brain deposits that cause Alzheimer's disease.
- Health & Medicine
Pesticide tied to Parkinson’s disease
Rodents exposed to massive amounts of the pesticide rotenone develop a condition similar to Parkinson's disease.
- Health & Medicine
New sources and uses for stem cells
Human skin and scalp tissue may provide a source of neural stem cells.
- Materials Science
One-Upping Nature’s Materials
Striving for designer substances that build themselves from individual molecules.
- Animals
Will Mr. Bowerbird Fall for a Robot?
Push a button and she turns her head. But can she turn his?
- Physics
An electron ruler gauges crystal flaws
Electrons ricocheting through a crystal now make it possible for scientists to discern shifts in crystal lattices as small as a hundredth of an atom's width.
- Ecosystems
Fly may be depleting U.S. giant silk moths
A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.
- Health & Medicine
Vaccine protects monkeys from Ebola virus
A combination of a DNA vaccine and a vaccine based on a genetically modified common cold virus enables monkeys to resist Ebola virus, the first evidence that an Ebola vaccine works in primates.
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Certain memories may rest on a good sleep
People who practice a task that demands quick visual processing perform it better on ensuing trials if they are first allowed to get some sleep.
- Planetary Science
An early cosmic wallop for life on Earth?
New evidence from lunar meteorites suggests that debris bombarded the moon some 3.9 billion years ago, about the same time that life may have formed on Earth.
- Math
Prime proof zeros in on crucial numbers
A new theorem may lead to a proof of Catalan's conjecture, a venerable problem in number theory concerning consecutive powers of whole numbers.
- Animals
First mammal joins the eusocial club
Because naked mole rats exhibit permanent physical traits that distinguish certain castes of a colony, they belong to the same grouping as so-called eusocial insects such as bees, ants, wasps, and termites.
