Uncategorized
- Materials Science
Atom Hauler: Molecular rig snags multi-atom loads
Specialists in atomic-scale construction can now use a new molecule to gather small groups of atoms and drop them, as clusters, at specific locations.
By Peter Weiss - Health & Medicine
Natural Ingredients: Method grows vessels from one’s own cells
Starting with bits of skin, scientists have produced new blood vessels in a laboratory and successfully implanted them into two patients.
By Nathan Seppa - Health & Medicine
Pill eases craving
An experimental drug called varenicline helps cigarette smokers kick the habit better than bupropion does, the most effective medicine currently on the market.
By Nathan Seppa - 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.
By Nathan Seppa - 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.
By Nathan Seppa - 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.
By Nathan Seppa - 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.
By Janet Raloff - 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.
By Ron Cowen - 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.
By Nathan Seppa -
19615
This article says that “twice as many … with sleep apnea had a stroke or died of that or another cause. …” This sounds serious, but your readers can’t correctly assign importance to “twice as many” because you omit numbers of deaths. David KollasTolland, Conn. Among the 697 people with sleep apnea, 22 suffered strokes […]
By Science News - 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.
By Ron Cowen - Planetary Science
Mars or Bust!
Scientists are working to overcome the biomedical challenges that would hinder a human voyage to Mars.
By Katie Greene