News
- Health & Medicine
Human sweat packs a germ-killing punch
Sweat glands secrete a microbe-killing protein.
- Chemistry
Chemists Try for Cleaner Papermaking
Chemists have developed a novel technology that could help clean up the papermaking process.
- Astronomy
After a martian dust storm
The largest dust storm seen on Mars in more than 2 decades is now beginning to wane.
- Astronomy
Tracking the path of a black hole
Astronomers have for the first time measured the motion of a small black hole and a companion star speeding through our galactic neighborhood.
- Health & Medicine
Anti-inflammatory drug may unleash TB
The anti-inflammatory drug infliximab, also called Remicade, can cause hidden tuberculosis to flare up.
- Health & Medicine
Molecule may reveal ovarian cancer
The presence of a protein called prostasin may signal cancer of the ovaries.
- Earth
Uranium recorded in high-altitude ice
An international team of scientists has analyzed a lengthy core of ice and snow drilled from atop Europe's tallest mountain to produce the first century-long record of uranium concentrations in a high-altitude environment.
- Earth
Grape-harvest dates hold climate clues
The vintner's habit of picking no grapes before their time may give scientists a tool that could help verify reconstructions of European climate for the past 500 years.
- Health & Medicine
Protein may be target for Crohn’s therapy
A protein called macrophage migration inhibitory factor, or MIF, may play a role in Crohn's disease, a painful gut ailment.
- Tech
Exploding wires open sharp X-ray eye
Using exploding wires to make low-energy X-rays, a novel, high-resolution camera snaps X-ray pictures of millimeter-scale or larger objects—such as full insects—in which features only micrometers across show up throughout the image.
- Earth
Researchers confirm sea change in oceans
A new analysis of ancient seawater shows that the ocean's chemistry has fluctuated over the last half-billion years.
- Animals
Magnetic field tells nightingales to binge
Young birds that have never migrated before may take a cue from the magnetic field to fatten up before trying to fly over the Sahara.
