News
- Health & Medicine
Autopsies suggest insulin is underused
Autopsy studies indicate that the insulin-producing cells of people with type II diabetes are damaged.
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Autism leaves kids lost in face
Brain-wave evidence indicates that 3- to 4-year-old children diagnosed with autism can't tell their mothers' faces from those of female strangers.
- Tech
Putting squish into artificial organs
Artificial organs and tissues may someday feel more like the real thing if a new, rubbery polymer supplants mostly stiff materials available today for tissue engineering.
- Health & Medicine
Cell-Phone Buzz: Contradictory studies heat up radiation question
A new long-term animal study of cell-phone radiation suggests that emissions don't cause cancer, but studies by a second team hint that cell phones may cause damage in other ways.
- Animals
Wasp Painting: Do insects know each other’s faces?
A researcher who dabbed tiny stripes on the faces and abdomens of paper wasps says that she's found the first evidence that the insects can recognize individuals by their markings.
- Health & Medicine
Kill or Be Killed: Tumor protein offs patrolling immune cells
Many human cancers may evade surveillance by exploiting a protein normally found on certain immune cells.
- Health & Medicine
Rewiring Job: Drug spurs nerve growth in stroke-damaged brains
The natural compound inosine spurs nerve reconnection in rats that have suffered the loss of blood to parts of the brain, suggesting inosine might help people recover from a stroke.
- Paleontology
Rain Forest Primeval? Colorado fossils show unexpected diversity
The size, shape, and riotous variety of fossil leaves unearthed at a site in central Colorado suggest that the region may have been covered with one of the world's first tropical rain forests just 1.4 million years after the demise of the dinosaurs.
- Animals
Oops. Woodpecker raps were actually gunshots
The knock-knock noises recorded last winter that raised hopes for rediscovering the long-lost ivory-billed woodpecker in Louisiana turn out to have been gunshots instead of bird noises.
- Tech
Making a Little Impression: New chip-making method may mold the industry
A simple mechanical means of embossing silicon may offer an alternative to conventional chip-making methods.
- Health & Medicine
Stem Cell Gain: Bone marrow cells seem to have what it takes
Tests show that a rodent bone marrow cell similar to one found in people acts as a multipurpose stem cell, much as embryonic stem cells do.
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Hostile Intent: Abused kids face up to angry expressions
Physical abuse at home apparently tunes a school-age child's perceptual system to pick up signs of anger in others' facial expressions.
