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World's Big Trees Are Dying: Alarming Increase in Death Rates Among Trees 100-300 Years Old
December 6, 2012 — The largest living organisms on the planet, the big, old trees that harbor and sustain countless birds and other wildlife, are dying. In a new report, ecologists warns of an alarming increase in ... > full story -
Insects (including Butterflies)
Behavioral Science
Agriculture and Food
Food and Agriculture
Wild Animals
Botany
Moths Wired Two Ways to Take Advantage of Floral Potluck
December 6, 2012 — Moths are able to enjoy a pollinator's buffet of flowers -- in spite of being among the insect world's picky eaters -- because of two distinct "channels" in their brains, scientists have ... > full story -
Insect-Eating Bat Outperforms Nectar Specialist as Pollinator of Cactus Flowers
December 6, 2012 — In a surprising result, scientists have found that the insect-eating pallid bat is a more effective pollinator of cardon cactus flowers than a nectar-feeding specialist, the lesser long-nosed ... > full story -
At High Altitude, Carbs Are the Fuel of Choice
December 6, 2012 — Mice living in the high-altitude, oxygen-starved environment of the Andean mountains survive those harsh conditions by fueling their muscles with carbohydrates. The findings provide the first ... > full story -
Exercise Affects Reproductive Ability in Horses
December 5, 2012 — Results from the study showed that exercise induced greater cortisol concentrations in horses. Cortisol has been shown to have effects on ... > full story -
Obesity Reversed in Mice by Manipulating Production of an Enzyme
December 5, 2012 — Approximately 68 percent of US adults are overweight or obese, according to the National Cancer Institute, which puts them at greater risk for developing cancer, cardiovascular disease, diabetes and ... > full story -
Scientists Find Oldest Dinosaur -- Or Closest Relative Yet
December 5, 2012 — Researchers have discovered what may be the earliest dinosaur, a creature the size of a Labrador retriever, but with a five foot-long tail, that walked the Earth about 10 million years before more ... > full story -
African Savannah -- And Its Lions -- Declining at Alarming Rates
December 4, 2012 — About 75 percent of Africa's savannahs and more than two-thirds of the lion population once estimated to live there have disappeared in the last 50 years, according to a new ... > full storyMore: -
Could High Insulin Make You Fat? Mouse Study Says Yes
December 4, 2012 — When we eat too much, obesity may develop as a result of chronically high insulin levels, not the other way around. That's according to new evidence in mice which challenges the widespread view that ... > full story -
Rapid Test to Save Lives of Snakebite Victims
December 4, 2012 — A new test to detect snake venom won the first place on the winner's podium at this year's Göttingen Innovation Competition. The rapid test, developed by scientists from the biotechnology ... > full story
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