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Healing by the Clock: In Fruit Flies, Intestinal Stem-Cell Regeneration Fluctuates With the Time of Day
April 11, 2013 — Genetic screening in flies reveals that the circadian clock regulates intestinal regeneration in response to damage, meaning that gut healing fluctuates according to the time of ... > full story -
How Some Leaves Got Fat: It's the Veins
April 11, 2013 — Some plants, such as succulents, have managed to grow very plump leaves. For that to happen, according to a new study, plants had to evolve three-dimensional arrangements of their leaf veins. That's ... > full story -
Genetic Master Controls Expose Cancers' Achilles' Heel
April 11, 2013 — In a surprising finding that helps explain fundamental behaviors of normal and diseased cells, scientists have discovered a set of powerful gene regulators dubbed “super-enhancers” that ... > full story -
Chickens With Bigger Gizzards Are More Efficient
April 11, 2013 — According to animal scientists, farmers could further protect the environment by breeding chickens with larger digestive organs. This research could solve a major problem in poultry ... > full story -
Lady Flies Can Decide Who Will Father Their Young
April 11, 2013 — Female flies choose whose sperm they want based on male mating effort. Females in the animal kingdom have many methods available to them to help bias male paternity. One such process is displayed by ... > full story -
Molecular 'Superglue' Based on Flesh-Eating Bacteria
April 11, 2013 — In a classic case of turning an enemy into a friend, scientists have engineered a protein from flesh-eating bacteria to act as a molecular "superglue" that promises to become a disease ... > full story -
Archaeologists Shine New Light on Easter Island Statue
April 11, 2013 — Archaeologists have used the latest in digital imaging technology to record and analyze carvings on the Easter Island statue Hoa ... > full story -
The Rosette Agent: Monitoring a New Threat in Britain's Rivers
April 11, 2013 — There are more than four million anglers in the UK and the sport generates an estimated £3.5 billion for the economy. But research has uncovered a new threat that could put many of the native ... > full story -
Pollution: Learning the Limits for Marine Species
April 11, 2013 — Work by biologists and marine scientists over the past 10 years has covered such commercial resources as shrimp, scallops, herring and cod. Establishing tolerance levels for these and other species ... > full story -
Early Warning Signs of Population Collapse
April 10, 2013 — Spatial measurements of population density could reveal when threatened natural populations are in danger of crashing. Researchers describe a new way to predict the risk of collapse, based on ... > full story
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