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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.

Planetary Science

The Whole Enceladus

Saturn's moon Enceladus has become the hottest new place to look for life in the chilly outer solar system.

Earth

Particular Problems

Toxicologists and chemists are forging a new field called nanotoxicology as they grapple with assessing the safety of engineered nanoparticles.