Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Animals
Megafish Sleuth: No Steve Irwin
There's no reason a scientist can't be an action hero — even if his damsels in distress have fins.
By Janet Raloff - Health & Medicine
You Are Who You Are by Default
A neural network active when the brain is at rest may prove critical to zoning out, a sense of self and envisioning the future.
- Health & Medicine
Bad Breath
New studies detail how the invisible particles that pollute the air can damage heart, lungs and genetic programming.
By Janet Raloff - Life
New drug hits leukemia early
An experimental drug may stop a deadly leukemia in its early stages, a study of mice shows.
By Nathan Seppa - Chemistry
Concerns over bisphenol A continue to grow
Recent research finds that the hormone mimic may be more prevalent and more harmful than previously thought, highlighting why BPA is a growing worry for policy makers.
By Janet Raloff - Science & Society
Become a guinea pig
Three NIH researchers argue it should be considered a duty with a social mandate akin to voting.
By Janet Raloff - Health & Medicine
Schizophrenia risk gets more complex
Three studies find that large collections of variants, rather than just a few key mutations, probably predispose someone to schizophrenia.
- Psychology
2-year-olds possess grammatical insights
Toddlers discern basic rules for using nouns and verbs at least one year before speaking in complete sentences, French brain researchers report.
By Bruce Bower - Health & Medicine
Plastics ingredients may shrink babies
A new study links phthalates, one of the more ubiquitous families of pollutants, with a baby being dangerously small at birth.
By Janet Raloff - Earth
How killer whales are like people
Killer whales may be sentinels for toxic chemicals accumulating in even landlubbers.
By Janet Raloff - Life
H1N1 racks up frequent flier miles
Analyzing global flight paths may help researchers track pandemics, as a new study on H1N1 shows.
- Life
Protein protects sperm in mice
A protein called GPX5 helps protect sperm from oxidative damage. The finding could help prevent birth defects.