News
- Health & Medicine
Trade Center cough is diagnosed
Obstructions that trap air deep within the lungs may explain certain breathing difficulties among some people who worked at the site of the World Trade Center following Sept. 11, 2001.
- Materials Science
A light wrap?
Materials scientists have created fabrics that can both detect light and conduct electricity.
-
Growing where they haven’t grown before
Researchers have found the right laboratory conditions for growing mouse precursor cells into sperm.
- Chemistry
Recipe for Roman cosmetic revealed
British chemists have found that a white material inside a small tin canister excavated from a 2000-year-old Roman temple is an ancient cosmetic face cream.
- Health & Medicine
Stemming Incontinence: Injected muscle cells restore urinary control
Stem cells removed from healthy muscle, grown in a lab, and inserted back into women with urinary incontinence can rebuild a muscle needed to control urine flow.
- Materials Science
Color Collective: Polymer self-assembles into light-emitting film
Stacks of sheets of light-emitting organic molecules that assemble into nanoscale structures could be more efficient and luminescent than existing display materials based on organic substances.
- Physics
Swift Lift: Birds may get a rise out of swirling air
The wings of airborne birds may generate whirlpools of air to produce lift for flying, just as insects do.
- Health & Medicine
Smog Clogs Arteries: Pollution does lasting harm to blood vessels
Air pollution does long-term damage to people's arteries, leading to increased risk of heart attack and stroke, a Los Angeles study confirms.
- Astronomy
Disks of Dust: Planet-stuff surrounds other sunlike stars
Two orbiting observatories for the first time are homing in on planetary debris circling sunlike stars.
-
Cloning Milestone: Monkey embryos urged to stem cell stage
Researchers have coaxed cloned rhesus macaque embryos to grow to the blastocyst stage, the furthest point yet reached in cloning a nonhuman primate.
- Archaeology
China’s Fermented Past: Pottery yields signs of oldest known wine
Analyses of ancient pottery have yielded evidence the people living in northern China 9,000 years ago concocted a fermented, winelike drink from rice, honey, and fruit.
-
Mice smell a mate’s immune system
By sniffing molecules present in urine, mice gain insight into each other's immune systems.
