News

Health & Medicine

Caloric threats from sugarfree drinks?

Regularly downing sweet drinks or sugar substitutes may foster overeating by reprogramming an individual's ability to judge a snack's caloric impact.

Astronomy

Controlling the speed of solar eruptions

The billion-ton blobs of magnetized gas that the sun sporadically hurls into space can't reach Earth in less than half a day.

Paleontology

Neck Bones on the Menu: Fossil vertebrae show species interaction

Three fossil neck bones from an ancient flying reptile—one of them with the broken tip of a tooth embedded in it—indicate that the winged creatures occasionally fell victim to meat eaters.

Plants

Rewriting the Nitrogen Story: Plant cycles nutrient forward and backward

For the first time, a green plant has been found to break down nitrogen-containing compounds into the readily usable form of nitrates, a job usually done by microbes.