News
- Astronomy
Black Hole Bully: Galaxy blasts its smaller neighbor
A distant galaxy is shooting a deadly jet of radiation at a neighboring galaxy, astronomers have observed.
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Limiting Damage: Fragile X symptoms modulated in mice
Reducing activity of a gene in mice alleviates many of the symptoms of fragile X syndrome, a genetic defect that causes mental retardation in people.
- Earth
Portrait of a Meltdown: Many factors led to 2007’s record low in Arctic sea ice
A variety of climatological factors converged in a perfect storm that melted the Arctic Ocean's ice cover to a record low in 2007. It could be a harbinger of ice-poor summers for decades to come.
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New clue to Down syndrome, leukemia link
One-fifth of people with Down syndrome who also have acute lymphocytic leukemia harbor a mutation in their JAK2 gene.
- Health & Medicine
Immune cells to fight leukemia
A cancer vaccine against leukemia helps some patients avoid a relapse for months or years, but only if given early in the course of the disease or when a patient is in remission.
- Health & Medicine
In search of safer marrow transplants
A synthetic antibody called ACK2 that targets certain bone marrow cells may make marrow transplants a possibility for people with severe autoimmune disease.
- Health & Medicine
Novel fused protein quells inflammation
A new compound called GIFT-15, made from the fusion of two proteins, stops inflammation in mice.
- Health & Medicine
Vitamin D: Blacks need much more
To achieve healthy concentrations of vitamin D, many African-Americans may need hefty daily supplementation.
- Humans
Fishing curbs can lead to profit
New economic models suggest that fishing crews that cut back long enough to let stocks rebound will find compensation in higher profits later.
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Macho pheromones rile fellows
Pheromones that induce aggression in other male mice are found in the major urinary protein complex in the animals' urine.
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- Physics
Light Swell: Optical rogue waves resemble oceanic ones
Signals in optical fibers can combine into rare, short-lived spikes that resemble oceanic rogue waves.
