Researchers unravel more mysteries of metallic hydrogen

Metallic hydrogen is one of the rarest materials on Earth, yet more than 80 percent of planets—including Jupiter, Saturn, and hundreds of extrasolar planets—are composed of this exotic form of matter.

A 3-D model of a human heart ventricle

Harvard University researchers have bioengineered a three-dimensional model of a human left heart ventricle that could be used to study diseases, test drugs and develop patient-specific treatments for heart conditions such ...

A scientific study characterises our circles of friendships

On average, there are three to five people in our lives with whom we have a very close relationship (close friends and/or family), around ten with whom we have close friendships, a larger group of about 30-35 people with ...

Warming alters predator-prey interactions in the Arctic

Wolf spiders are so abundant that they outweigh real wolves in the Alaskan Arctic by several orders of magnitude. Their sheer numbers make them one of the important predators on the tundra. They may also be important in buffering ...

page 1 from 11