News
- Tech
Transmuting a powerful poison
A new chemical process for fuel cells powered by hydrocarbons eliminates carbon monoxide that would clog fuel-cell electrodes while also extracting energy from the troublesome gas.
- Chemistry
Bacteria send out molecular scrounger for copper
Scientists have discovered the organic molecule that bacteria use to take up copper, which the microbes then use to chemically crack methane.
- Humans
Rembrandt’s eye saw no depth
The 17th-century Dutch artist Rembrandt lacked stereoscopic vision, an optical analysis of his self-portraits suggests.
- Health & Medicine
Hepatitis B vaccine linked to MS
People who develop multiple sclerosis are more likely than others to have received a hepatitis B vaccination in recent years.
- Materials Science
Heat-controlled implant delivers insulin on demand
The field of drug delivery is literally heating up, with the development of a new polymer implant that releases insulin in response to changes in temperature.
- Health & Medicine
Motor Ways: Gene mutation impairs muscle coordination
Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome.
- Animals
Pirates of the Amphibian: Males fertilize eggs of another guy’s gal
For the first time among amphibians, scientists have found frogs that sneak their sperm onto egg clutches left by another mating pair.
- Health & Medicine
Tapping an Unlikely Source: Scientists use mouth membrane to construct corneal-surface transplants
Using membranes taken from the inside of the mouth, researchers have fashioned transplants that act as replacement outer layers for corneas in people with damaged vision.
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Flies ‘R’ Us: Fruit fly cells mimic the mammalian pancreas
A new study suggests that the common fruit fly has cells that function much as those in the human pancreas do.
- Materials Science
Nanotech Goes to New Lengths: Scientists create ultralong carbon nanotubes
In an advance toward making superstrong fibers, chemists have synthesized a 4-centimeter-long carbon nanotube, the longest nanotube reported to date.
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Mothering Malnutrition: Moms’ depression weighs on infants in Pakistan
Maternal depression critically contributes to malnutrition-related health problems among infants in rural Pakistan.
- Astronomy
Sky Lights: Picture might show an extrasolar planet
A faint point of red light may be the first picture ever taken of a planet outside the solar system.
