News
- Animals
Fish Switch: Salmon make baby trout after species, sex swap
Salmon implanted with trout reproductive tissue bred to produce a generation of normal rainbow trout.
- Planetary Science
Survivor: Extrasolar planet escapes stellar attack
An extrasolar planet survived after its aging parent star ballooned into a red giant that almost engulfed it.
- Physics
Alliance of Opposites: Electrons and positrons make new molecule
Positronium, consisting of electrons and their antimatter counterparts, has been made into a molecular form.
- Health & Medicine
Blood vessel growth factor also does housekeeping
A growth factor that promotes blood vessel development also maintains normal blood vessel health, perhaps explaining the vascular side effects of some cancer drugs.
- Astronomy
Bloated planet
A newly discovered exoplanet is the largest and lowest-density such object yet found.
- Chemistry
Nanoparticles multitask
Magnetite nanoparticles have catalytic properties that may be useful in wastewater treatment and biomedical assays.
- Archaeology
Ancient city grew from outside in
A 6,000-year-old city in what's now northeastern Syria developed when initially independent settlements expanded and merged, unlike other nearby cities that grew from a core outward.
- Anthropology
Advantage: Starch
An enhanced ability to digest starch may have given early humans an evolutionary advantage over their ape relatives.
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Perfect pitch isn’t so perfect in many
Among people with perfect pitch, the most common error seems to be misidentifying G flat as A, the note on which orchestras traditionally tune.
- Astronomy
Major merger
Four galaxies are ramming into each other in one of the biggest cosmic collisions ever recorded.
- Health & Medicine
How platelets help cancer spread
A tumor cell protein influences blood platelets in a way that helps a cancer spread through the body.
- Earth
Laser printers can dirty the air
Some laser printers emit substantial amounts of potentially hazardous nanoscale particles.
