News
- Health & Medicine
Taking age stereotypes to heart
A long-term investigation indicates that young and middle-aged adults who hold negative attitudes about the elderly are more likely to have heart ailments and strokes later in life.
- Space
Satellite collision: brief update on Hubble and debris
In an unprecedented collision, two large satellites crashed into each other in low-Earth orbit on February 10. The effect on a planned Hubble repair mission remains unclear.
- Space
New window on the high-energy universe
New telescope finds strange behavior in gamma-ray bursts, and also documents the highest energy burst known.
- Tech
Catalyst knocks out a smog maker
Unique system could help truckers meet new emissions standards.
