New amphibian species are being discovered at an exciting rate, yet they are also the vertebrates most at risk of extinction.
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.
A company offering experimental stem-cell treatments will carry out its procedures in Mexico after the FDA warned that it would need approval to operate in the U.S.
The eating schedule—and not the amount of calories—can make the difference between an obese, diabetic, sick mouse and one with a healthy metabolism.
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.
Animals and plants come in a dizzying array of colors. Current research is cracking into the remarkable structures behind nature's artistic display.