Rising temperatures allow one mountain ant to climb higher, displacing a related species and possibly upsetting plant ecology.
Rising temperatures allow one mountain ant to climb higher, displacing a related species and possibly upsetting plant ecology.
The method to the dengue virus's maddening infectiousness.
The global spread of dengue virus has immunologists and public-health experts debating the best way to curb infection.
Oceanographers deployed elephant seals to discover a new source of Antarctic bottom water, cold deep-ocean currents that play a key role in global ocean circulation.
A study suggests that some mouse models do not accurately mimic human molecular mechanisms of inflammatory response, but other mouse strains may fare better.
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.
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.