News
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TechLong-Sought Laser? Standard microchips may gain speedy optical connections
Although not made exclusively of silicon, a new type of laser runs on electricity and could be mass manufactured in the same factories as silicon microchips are.
By Peter Weiss -
PaleontologyFlying with Their Legs: Hind feathers made primitive bird nimble
The earliest-known bird had feathers on its legs that may have provided lift for flight, improving its maneuverability.
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AnimalsCrickets on Mute: Hush falls as killer fly stalks singers
Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.
By Susan Milius -
Health & MedicineUV Blocker: Lotion yields protective tan in fair-skinned mice
A lotion that stimulates production of the skin pigment melanin induces a deep tan in specially bred laboratory mice.
By Nathan Seppa -
AstronomyEnigmatic Eruptions: Gamma-ray bursts lack supernova fireworks
The most powerful bursts in the universe may have gotten more mysterious.
By Ron Cowen -
Health & MedicineGraveyard Shift: Prostate cancer linked to rotating work schedule
Men who alternate between daytime and nighttime shifts on their jobs have triple the normal rate of prostate cancer, according to a Japanese nationwide study.
By Ben Harder -
AnthropologyEvolution’s Child: Fossil puts youthful twist on Lucy’s kind
Researchers have announced the discovery of the oldest and most complete fossil child in our evolutionary family yet found.
By Bruce Bower -
Mood disorder cuts work performance
A national survey finds that people with bipolar disorder lose even more workdays each year as a result of their illness than do workers with major depression.
By Bruce Bower -
TechStart your engines
Mechanical engineers have developed a system that greatly decreases the amount of toxic hydrocarbons a car releases.
By Eric Jaffe -
Planetary ScienceSMART stop
The European Space Agency's first mission to the moon ended with a deliberate bang on Sept. 3.
By Ron Cowen -
Health & MedicineShingles shot’s value is uncertain
The cost-effectiveness of a new vaccine against shingles remains uncertain, making it difficult to assess whether adults should routinely receive the shot.
By Ben Harder -
Planetary ScienceMartian doings
The Mars Reconnaissance Orbiter has finished reshaping its orbit, while the venerable rover Opportunity is approaching the rim of the widest and deepest crater it has yet visited.
By Ron Cowen