News
- Health & Medicine
Is penicillin-allergy rate overstated?
A study finds that 20 of 21 people who reported having a penicillin allergy when filling out paperwork during a hospital visit in fact don't have one, suggesting that the prevalence of this allergy is overstated.
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Man’s brain incurs disgusting loss
A brain-damaged man yields clues to the neural organization responsible for experiencing disgust.
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Brain sets sights on mind’s eye
Brain regions implicated in vision may also contribute to the images in the "mind's eye."
- Astronomy
More moons for Saturn
With the discovery of two additional moons, the ringed planet now has a retinue of 24 known satellites orbiting it.
- Astronomy
What a blast!
Astronomers have glimpsed a rare, long-lived neutron-star explosion that may represent the burning of carbon just beneath the surface of this superdense star.
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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.
- Tech
Smashing 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.
- Materials Science
Electronics 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.
- Health & Medicine
Persistent Cough: Pertussis rises in young adults and infants
Pertussis, or whooping cough, appears to be rebounding in many age groups, causing long-lasting symptoms in adolescents and adults and threatening the lives of unvaccinated infants.
- Animals
Poison Source: Toxic birds may get chemical from beetle
When some poisonous New Guinea birds eat certain tiny beetles, they may be stocking up on the toxic substance they use to defend themselves.
- Health & Medicine
Nicotine’s Good Side: Substance curbs sepsis in mice
Nicotine halted the progression of severe sepsis in mice, suggesting a new avenue for treating this acute blood infection.
- Planetary Science
Titanic Close-up: Cassini eyes Saturn’s big moon
Using radar to penetrate the thick haze surrounding Saturn's moon Titan, the Cassini spacecraft has found evidence that the moon's surface is coated with hydrocarbons and dark patches that might be lakes of ethane or methane.
