News
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Chemistry
Detecting Lead: Sensor changes color for toxic metal
A new sensor using gold nanoparticles and tailor-made DNA strands offers simple and reliable detection of lead in paint.
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Planetary Science
Springtime on Neptune: Images hint at seasonal changes on distant planet
Belying its location in the deep freeze of the outer solar system, Neptune may undergo a change of seasons.
By Ron Cowen -
Scripted Brains: Learning to read evokes hemispheric trade-off
From childhood through adolesence, the process of learning to read involves an amplification of specific types of left-brain activity and a dampening of right-brain responses, a new brain-imaging study finds.
By Bruce Bower -
Bad Dancers: Childhood chills give bees six left feet
Honeybees kept just a bit cool when young grow up looking normal but dancing badly, which impedes their ability to communicate with other bees.
By Susan Milius -
Health & Medicine
Breathe Easier: Lung surgery aids some emphysema patients
Surgery to remove diseased portions of the upper lungs can help emphysema patients breathe more efficiently, depending on the patient's health and where the damaged tissues are.
By Nathan Seppa -
Earth
A Dam Shame? Project may slam China’s biodiversity
When the Three Gorges Dam begins to impound the waters of the Yangtze River in China later this year, dozens of mountains and other elevated areas upstream will become islands—an outcome that will probably devastate the rich diversity of species now living along the river.
By Sid Perkins -
Health & Medicine
Novel tack against diabetes
Thwarting the production of immune proteins that induce inflammation prevents diabetes-prone mice from developing the disease.
By Nathan Seppa -
Paleontology
Earful of data hints at ancient fish migration
Small bony growths that developed in the ears of fish more than 65 million years ago are providing a wealth of information about the species’ environment and lifestyle.
By Sid Perkins -
Physics
New particles pose puzzle
The discovery of two new subatomic particles with unexpectedly low masses is making physicists reconsider how fundamental particles called quarks interact.
By Peter Weiss -
Health & Medicine
Eating right early might reduce premature births
Malnutrition around the time of conception may promote early delivery of offspring.
By John Travis -
Earth
When pollutants take the Arctic route
The highest North American concentrations of at least one air pollutant from Asia can be found in Newfoundland, the continent's easternmost region.
By Janet Raloff -
Earth
What’s happening to German eelpout?
Reproductive anomalies in eel-like fish may represent good markers of exposure to hormones or pollutants that mimic them.
By Janet Raloff