Archives
More Stories from the April 21, 2012 issue
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LifeBee genes may drive them to adventure
Scouting behavior linked to certain molecules in insect brains.
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Paleontology
Triceratops reigns alone again
Fossil comparison fends off a challenge that holds the dinosaur is but the immature version of the Torosaurus.
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Chemistry
Polymer power drives tiny reactions
Applying pressure to a building block of plastic in water, researchers generate enough energy to make your Nikes glow and do other chemical work.
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Life
Carnivores can lose sweet genes
A gene involved in taste detection has glitches in some, but not all, highly carnivorous mammals.
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Life
Size doesn’t matter for crayfish’s one-two crunch
Biological deception may give crustaceans an advantage during a fight.
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Health & Medicine
Retina can help reveal brain health
Among older women, diseased blood vessels at the back of the eye are linked to lower scores on mental tests and other signs of possible ministrokes.
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Life
Geneticists go ape for better primate family tree
The first gorilla genome and a more detailed look at chimp genetics provide new clues to evolution of humans and their closest relatives.
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Chemistry
Better hydrogen storage process unveiled
Scientists create a chemical switch that can catch and release the useful gas.
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Earth
Nanopollutants change blood vessel reactivity
Tiny particles alter normal vessel functions, animal studies show.
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Space
Titan’s haze is dropping
Change in elevation of cloudy layer suggests seasonal cycles on Saturn’s moon.
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Life
Industrial roar changes nearby plant reproduction
Trees and wildflowers register the effects as animals flee (or not) from grinding engines.
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Health & Medicine
Abnormal cells may signal hidden heart risk
Damage to blood vessel lining shows up in blood tests.
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Life
The yin and yang of male pattern baldness
The discovery of a hormone-like molecule in the scalp may offer new clues for treating baldness.
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Chemistry
Opioids’ molecular magic unmasked
New 3-D structures of opiumlike drugs bound to the body’s proteins will aid the development of better painkillers and the battle against drug abuse.
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Space
Smallest planet yields big surprises
Spacecraft images reveal Mercury has a complicated inside and an active geologic past.
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Space
Vesta seems more planet than asteroid
Spacecraft explorations reveal a layered, beat-up celestial body.
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Planetary Science
Highlights from the 43rd Lunar and Planetary Science Conference, The Woodlands, Texas, March 19-23
Geologic activity and weather on Saturnian moons, and studies in Greenland to learn about Mars.
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Chemistry
Life’s building blocks grow close to home
Chemical reactions in the early solar system create complex organic molecules.
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