News
- Animals
No Early Birds: Migrators can’t catch advancing caterpillars
Pied flycatcher numbers are dwindling in places where climate change has knocked the birds' migration out of sync with the food-supply peak on their breeding grounds.
- Anthropology
Evolutionary Back Story: Thoroughly modern spine supported human ancestor
Bones from a spinal column discovered at a nearly 1.8-million-year-old site support the controversial possibility that ancient human ancestors spoke to one another.
- Earth
Tainted by Cleanser: Antimicrobial agent persists in sludge
About 76 percent of a commonly used antimicrobial agent exits sewage-treatment plants as a component of the sludge that's often used as a farm fertilizer.
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Wired for math
The same neural circuits that adults use to perform complex calculations are already at work in preschoolers doing basic math.
- Humans
Clinical trials really pay off
Large-scale human trials of new treatments in medicine have the potential to offer huge economic benefits from improved quality of life.
- Physics
Confined gas rejects compromise
Pairs of tiny gas clouds of unequal energies mixing inside narrow tubes retain their original energy differences.
- Animals
Just turn your back, Mom
A female in a species of legless amphibians called caecilians nourishes her youngsters by letting them eat the skin off her back.
- Health & Medicine
Liver regeneration tied to bile acids
Bile, a digestive juice, plays an integral role in the regeneration of liver tissue.
- Health & Medicine
Two drugs are equal in preventing breast cancer
A commonly prescribed anti-osteoporosis drug works as well at preventing breast cancer as the sole drug currently prescribed for the task.
- Humans
Study finds bias in peer review
Researchers have found evidence of bias when scientists review data and the researcher's name and affiliation are available to the reviewers.
- Animals
Bird hormone cuts noise distractions
A jolt of springtime hormones makes a female sparrow's brain more responsive to song.
- Health & Medicine
Small Wonder: Taking the bite out of anthrax toxin
Using a submicroscopic synthetic blob called a liposome, scientists have neutralized anthrax toxin in rats.
