Uncategorized
- Space
Messages from Mercury
Data collected by the MESSENGER spacecraft as it flew past Mercury last January has revealed the origin of the planet’s magnetic field, discovered evidence of early volcanic activity and provided a first look at the planet’s surface composition.
- Life
Fountain of Youth, with caveats
A chemical in red wine thought to mimic the life-extending properties of calorie restriction improves health, but doesn’t necessarily lengthen life; it could also harm the brain.
- Life
Embryos can learn visually
For cuttlefish embryos, what they see is what they'll crave as food later
- Chemistry
HIV knockout
Cutting a gene in immune cells could offer a new way to treat HIV infections.
- Earth
Precious little gems
Ancient microdiamonds embedded inside ancient zircons found in western Australia suggest that life may have existed on Earth up to 4.25 billion years ago.
- Astronomy
Postcards from the edge
New data about the edge of the solar system offer surprises about how the sun interacts with our galaxy.
- Animals
Mighty mites
Mites that were thought to be parasites to their host wasps turn out to be bodyguards, attacking intruders.
- Physics
Layers in a Stradivarius
Slight differences in the wood from which violins are made might be what distinguishes a mellow-toned Stradivarius from an ordinary instrument.
- Health & Medicine
Surviving HIV
Since the development in the mid-1990s of a state-of-the-art drug cocktail for HIV, patient survival has extended dramatically, a new study shows.
- Animals
Live fast, die young
With a lifespan of just five months, the chameleon Furcifer labordi leads a briefer life than any other land-dwelling vertebrate.
- Math
Optimizing leafy networks
Scientists reveal a mathematical principle underlying the arrangement of leaf veins in plant species.
- Health & Medicine
Journey to the center of the brain
New map of brain's anatomy reveals communication hub that corresponds to an area active when the mind wanders.
