News
- Astronomy
Finding the star that was
Sifting through archival images, astronomers have identified the star whose explosive demise was recorded by telescopes last year.
- Chemistry
Radical molecule could produce plastic magnets
A team of chemists has synthesized an unusual organic molecule that could lead to cheaper and lighter magnets.
- Physics
Nuclear pudding—to go
Moving at nearly the speed of light, atomic nuclei hurtling through a huge particle collider may become mostly dense, flattened puddings of nuclear particles known as gluons.
- Health & Medicine
Putting the brakes on toxic shock
Scientists have discovered the cascade of molecular events that underpins many cases of toxic shock syndrome.
- Physics
New supergas debuts
A cloud of ultracold potassium atoms, manipulated by means of a magnetic field, has coalesced into a new super form of matter called a fermionic condensate.
- Health & Medicine
Some T cells may be a fetus’ best friend
While pregnant, mice overproduce a kind of T cell that reins in other immune cells that might target the fetus.
- Planetary Science
A view of Mars, European style
Although the Mars lander Beagle 2 is presumed dead, its mother craft, the European Space Agency's Mars Express, has transmitted its first data from a polar orbit about the Red Planet.
- Tech
The rat in the hat
A compact positron-emission tomography (PET) brain scanner may make possible studies of awake rats that link brain functions and behaviors.
- Health & Medicine
Pill Puzzle: Do antibiotics increase breast cancer risk?
A new study links antibiotic use to breast cancer, although it's not clear the drugs cause the disease.
- Health & Medicine
Drug Racing: Gene tied to HIV-drug response
A genetic mutation more common in blacks than in whites increases the odds that people taking a common HIV medicine will suffer side effects that lead them to halt treatment.
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Monkey Love: Male marmosets think highly of sex
A new brain-imaging study in marmosets suggests that males sexually aroused by the scent of females may be thinking carefully before they mate, opposing the notion that nonhuman male mammals act purely upon a primal urge.
- Earth
Nanosponges: Plastic particles pick up pollutants
Nanometer-scale polymer particles can extract pollutants from contaminated soil.
