Cell aging, or cellular senescence, has an important role in the natural physiological response to…
Month: December 2012
Photosynthesis: Mysterious enzyme structure solved
Scientists have solved a long-standing puzzle in photosynthesis research. With the aid of quantum chemistry…
Ancient tsunami caused long-term ecosystem change in the Caribbean
Overwash deposits point to major wave event more than 3,000 years ago. A detailed analysis…
Predator-producing bacteria may be battling in human intestines
Researchers have found that a bacteriophage unique to the Enterococcus faecalis strain V583 acts as…
Colic treatment? Manipulative therapies may be beneficial treatment for infantile colic
Infantile colic is a distressing problem, characterized by excessive crying of infants and it is…
Rare fossil related to crabs, lobsters, shrimp: Exceptionally well preserved, including shell and soft parts
Scientists have made an extremely rare discovery of a species of animal — related to…
Was the sauropod dinosaurs’ large size due to plant food? Scientists argue old idea still has legs
The long-necked sauropod dinosaurs were the largest land animals ever to walk the Earth —…
Concussions affect children’s brains even after symptoms subside
Brain changes in children who have sustained a mild traumatic brain injury, or concussion, persist…
Next step in launching astronauts from U.S. Soil: NASA awards commercial crew certification contracts
NASA announced Dec. 10 the next step in its plan to launch American astronauts from…
Mars rover self-portrait shoot uses arm choreography
The robotic arm on NASA’s Mars rover Curiosity held the rover’s Mars Hand Lens Imager…