A small insect-eating animal is the common ancestor of whales, elephants, dogs, and humans.
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Why so few scientists make the leap to policy-making positions, and why more should give it a try
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.
After a 4-year stretch as US Energy Secretary, during which he fought to fund research on clean energy technology, Steven Chu has announced his resignation.
A handful of species have learned how to survive in freezing climates. To do so, the animals must counteract the damaging effects of ice crystal formation, or keep from freezing altogether. Here are a few ways they do it.
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.
Animals and plants come in a dizzying array of colors. Current research is cracking into the remarkable structures behind nature's artistic display.
Some of these insidious viruses expertly subvert the host immune system, allowing their unhindered proliferation.
Tracking the genetic diversity and evolution of rhinoviruses can lead to a better understanding of viral evolution, the common cold, and more dangerous infections.
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