Uncategorized
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SpaceNew window on the high-energy universe
New telescope finds that the high-energy share of gamma-ray bursts arrive at Earth significantly later than the low-energy portion.
By Ron Cowen -
Health & MedicinePollutants in the womb can trigger adult cancers
Mouse study shows fetal exposure to carcinogens may pose long-term risks.
By Janet Raloff -
Health & MedicineAntioxidants fail to prevent prostate cancer
Selenium, vitamins C, E don’t lower incidence of prostate cancer in two large trials.
By Nathan Seppa -
SpaceFirst detection of carbon dioxide in an exoplanet
Moving one step closer to finding the fingerprints of life in a habitable planet beyond the solar system, astronomers have for the first time detected carbon dioxide in the atmosphere of an extrasolar planet.
By Ron Cowen -
ChemistryEngineered bacteria create high-energy biofuel
Scientists alter E. coli microbes to make a high-energy alcohol not produced naturally
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HumansWhen giving gifts, the price is wrong
Gift givers expect that expensive presents will be appreciated by gift receivers more than inexpensive presents, but three new investigations suggest that that’s not the case.
By Bruce Bower -
Health & MedicineMalaria vaccine closer to reality
The success of two trials sets the stage for a final, large-scale trial that could mean approval of what would be the first vaccine against Malaria.
By Nathan Seppa -
AnimalsDogs will go on strike over unfair treats
Equal sausage demanded for equal paw shakes.
By Susan Milius -
Health & MedicineLack of sleep has genetic link with type 2 diabetes
Large genomic studies show body rhythms, melatonin may influence sugar levels in the blood.
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SpaceMeteorites could have thickened primordial soup
New experiments show that extraterrestrial impacts that occurred early in our planet's history could have created the raw materials for life.
By Sid Perkins -
MathTraveler’s Dilemma: When it’s smart to be dumb
Some game theory paradoxes can be resolved by assuming that people adopt multiple personae, and aren’t rational.
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Health & MedicineHoneybee CSI: Why dead bodies can’t be found
Virus could explain one symptom of colony collapse.
By Susan Milius