News
- Health & Medicine
Endurance cycling tied to lasting heart damage
Former professional bicyclers have signs of heart problems nearly 4 decades after competing in grueling endurance events.
- Health & Medicine
New drug fights heart failure
The experimental drug levosimendin, in combination with standard drugs, eases heart failure symptoms better than standard drugs alone do.
- Health & Medicine
Marrow cells boost ailing hearts
Extracting cells from a heart attack patient's bone marrow and then inserting them into the person's heart via a catheter can improve pumping capacity.
- Earth
Antibiotics afield
Antibiotics shed by livestock in manure can end up in crops or bound to soil, where they can foster disease-resistant germs.
- Planetary Science
Found and lost
Astronomers who previously announced that they had identified the likely remains of the Mars Polar Lander in images taken by an orbiting spacecraft now say that they were fooled by electronic noise in those images.
- Health & Medicine
Sleep apnea could signal greater danger
The nighttime breathing disorder called obstructive sleep apnea might double a person's risk of death or stroke.
- Astronomy
Images of a fiery youth
A faint, infrared glow captured by the Spitzer Space Telescope might be light from the universe's first stars.
- Health & Medicine
Novel Approach: Cancer drug might ease scleroderma
The chemotherapy drug paclitaxel, when given to mice, shows signs of impeding the skin disease scleroderma.
- Earth
Global Wetting and Drying: Regions face opposing prospects for water supply
In the next half century, rivers and streams in some parts of the world will diminish in flow, while waterways elsewhere rise in output, according to a new analysis of climate simulations.
- Astronomy
Infrared telescope spies mountains of star creation
Viewing a star-making region in the infrared, the Spitzer Space Telescope has captured mountains of gas and dust being eroded by winds and radiation from a massive star, triggering waves of star birth.
- Tech
Hidden in Disorder: Chaos-encrypted information goes the distance
Scientists have demonstrated that a message encrypted in a chaotic laser signal can be transmitted more than 100 kilometers through a commercial optical-fiber network.
- Animals
Tszzzzzt! Electric fish may jam rivals’ signals
An electric fish appears to sabotage a rival's electric signals as a fight starts. With Audio and Video.
