Unlike human brains, chimpanzee brains don’t get smaller as they age, suggesting that pronounced neurological decline is a uniquely human byproduct of our oversized brains and extreme longevity.
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Non-African people carry remnants of the Neanderthal X chromosome, suggesting interbreeding with early human ancestors.
A new study confirms that a “trial effect”—in which patients improve simply as a result of taking part in a drug study—once existed among HIV trial participants.
Using synchrotron rapid scanning X-ray fluorescence to map the distribution of trace metals in avian fossils over 120 million-year-old, researchers reconstruct the pigment patterns of their feathers—revealing some of the extinct birds' long-lost colo
Studying the earliest events in visual development, Carla Shatz has learned the importance of looking at one’s data with open eyes—and an open mind.
Member, Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington. Age: 38
Researchers map pigments in early bird fossils using preserved metallic residues.
Evidence that large dinosaurs had body temperatures similar to modern-day mammals suggests they were either endothermic or extremely good at conserving body heat.
A particular predator defense used by water fleas makes them more susceptible to parasite infections, new research shows.
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