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Killer Findings: Scientists piece together 1918-flu virus
Two new studies shed light on the 1918-flu virus by wrapping up efforts to sequence its genome and reconstructing its genes into a living model.
- Archaeology
Q Marks the Spot: Recent find fingers long-sought Maya city
A hieroglyphic-covered stone panel discovered at an ancient Maya site in Guatemala last April adds weight to suspicions that the settlement was Site Q, an enigmatic city about which researchers have long speculated.
- Materials Science
Carbon nanotubes get nosy
Researchers have demonstrated that individual nanotubes, decorated with DNA, can rapidly detect a number of gases.
- Health & Medicine
High testosterone linked to prostate cancer risk
Men with naturally high testosterone levels face an elevated risk of prostate cancer, suggesting that men who use hormone supplements to combat age-related problems could also be in trouble.
- Humans
Tulane’s traveling med school
Houston medical schools opened their facilities to a sister institution in New Orleans whose faculty and students were sent into exile by Hurricane Katrina's floodwaters.
- Tech
Humane bloodletting
Medical researchers have designed a new lancet that dramatically reduces the pain experienced by lab mice during blood-sampling procedures.
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Flu from horses is racing among dogs
A highly contagious influenza virus that has killed greyhounds and sickened other dogs may have first jumped to canines from a single infected horse.
- Planetary Science
What whacked the inner solar system?
Planetary scientists have determined that the cavalcade of space debris that hammered the inner solar system for the first 700 million years of its existence were main-belt asteroids, not comets.
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Brains disconnect as people sleep
Rather than turning off completely during sleep, the brain shuts down communication among structures that make up neural networks.
- Physics
Transistor laser flaunts twin talents
A transistor that doubles as a laser can now operate at room temperature, bringing it to the verge of practical applications.
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19600
The recent discovery of “mature” galaxies at distances corresponding to the remote cosmic past mentioned in this article threatens more than galaxy-formation theory. It threatens to shatter the increasingly fragile Big Bang paradigm by showing that the composition of the cosmos is uniform in time and space. Michael J. DunnAuburn, Wash. If a Big Bang […]
- Astronomy
Crisis in the Cosmos?
Baby galaxies that hail from the early history of the cosmos but are full of old stars and are nearly as massive as the Milky Way is today may challenge the standard theory of galaxy formation.
