News
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PhysicsPiddly Puddle Peril: Little water pools foil road friction
Physicists have proposed an explanation for how even slight wetness can cut road-to-rubber friction.
By Peter Weiss -
PlantsGive and Take: Plant parasites dole out genes while stealing nutrients
New evidence suggests that parasitic plants can transfer their own genes into host plants.
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Health & MedicineVaccine Stretch: Smaller dose packs punch against flu
A fraction of the standard dose of flu vaccine appears to grant people immunity to influenza if injected into the skin rather than in the muscle of the upper arm.
By David Shiga -
EarthDDT linked to miscarriages
A study of Chinese women finds that the pesticide DDT can not only affect menstrual cycles but also foster miscarriages very early in pregnancy.
By Janet Raloff -
Health & MedicineUranium, the newest ‘hormone’
Animal experiments indicate that waterborne uranium can mimic the activity of estrogen, a female sex hormone.
By Janet Raloff -
EarthCan phthalates subtly alter boys?
Researchers have linked a mom's exposure to phthalates with a genital marker in boys suggesting a subtle feminization of their reproductive organs.
By Janet Raloff -
Health & MedicineHeavy traffic may trigger heart attacks
Exposure to traffic can dramatically increase a person's risk of having a heart attack soon afterward.
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Planetary ScienceRiddles on Titan
Two puzzles have emerged from the Cassini spacecraft's first close flyby of Saturn's largest moon, Titan.
By Ron Cowen -
PhysicsLight step toward quantum networks
During the transfer of a quantum data bit from matter to light, a cloud of extremely cold atoms emitted a photon carrying a version of the cloud's quantum state.
By Peter Weiss -
Wayfaring Sleepers: Brain area linked to slumber-aided recall
Enhanced activity in an inner-brain structure called the hippocampus during sleep solidifies memories of recently visited places and the routes taken to get to them.
By Bruce Bower -
TechSmashing the Microscope: Tiny crashes harnessed for nanoconstruction
A new technique supplies loose atoms for nanoscale experiments by using the tip of a scanning tunneling microscope to gouge out craters from a surface.
By David Shiga -
Materials ScienceElectronics Detox: Leadfree material for ecofriendly gadgetry
Responding to growing concern over the disposal of electronic devices, scientists in Japan have created a lead-free piezoceramic that could replace the toxic components in many of these gadgets.