The very cold, the merely chilled, and the colorful
Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.
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.
Some of these insidious viruses expertly subvert the host immune system, allowing their unhindered proliferation.
Researchers and biotech companies are bringing a universal flu vaccine closer to reality.
The highest court in the country has declined to hear an appeal regarding the federal funding of human embryonic stem cell research, allowing such spending to continue.
The science images and videos that captured our attention in 2012
Fat cells behave differently in obese individuals, causing inflammation and insulin resitance.
The healing powers of maggots may lie in their secreted proteins, which restrain the human immune response.