A study suggests that some mouse models do not accurately mimic human molecular mechanisms of inflammatory response, but other mouse strains may fare better.
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Scientists have identified the sticky substance that is damaging the feathers of hundreds seabirds washed ashore in England as an additive for lubricant oils.
A maturing mouse gut nervous system (shown in orange), a mesh-like system of neurons that regulates digestion and gastrointenstial function, runs from the stomach through the intestines.
New amphibian species are being discovered at an exciting rate, yet they are also the vertebrates most at risk of extinction.
One of the most advanced tuberculosis vaccines has failed to protect infants from getting the disease in a clinical trial, but it may be effective in adults.
Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.
Watch as the astounding wood frog uses cellular cryopreservation tricks to freeze, thaw, and live to croak about it.
Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.
With dogged persistence and an unwillingness to entertain defeat, Bruce Beutler discovered a receptor that powers the innate immune response to infections—and earned his share of a Nobel Prize.
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