(AP) -- Hundreds of feet beneath Earth's surface, a few seasoned cave explorers venture where no human has set foot. Their headlamps illuminate mud-covered walls, gypsum crystals and mineral deposits. The real attraction, though, is under their shoes.
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Stalagmites may predict next Big One along the New Madrid Seismic Zone
Small white stalagmites lining caves in the Midwest may help scientists chronicle the history of the New Madrid Seismic Zone (NMSZ) – and even predict when the next big earthquake may strike, say researchers at the Illinois State Geological Survey and the University of Illinois at Urbana-Champaign.
UF to release parasitic fly to combat 'evil weevil' destroying native bromeliads
The free ride is almost over for the “evil weevil” destroying Florida’s native bromeliads.
DNA analysis reveals rapid population shift among Pleistocene cave bears
Studying DNA obtained from teeth of ancient cave bears, researchers have been able to identify a shift in a particular population of the bears inhabiting a European valley in the late Pleistocene era. The findings illustrate the ability of DNA sequence analysis to reveal aspects of animal population dynamics in the distant past and potentially illuminate the influence of human migrations in animal population changes.
As Colorado Heats Up, Water Supply Expected to Be at Risk, Says New Study
(PhysOrg.com) -- Water resource managers may have to prepare for a warmer Colorado and a shift in the timing of runoff in most of the state's river basins, according to a new assessment of Colorado climate change by scientists at the National Oceanic and Atmospheric Administration, the University of Colorado at Boulder and Colorado State University.
Bays on US Gulf Coast vulnerable to flooding
The most comprehensive geological review ever undertaken of the upper U.S. Gulf Coast suggests that a combination of rising seas and dammed rivers could flood large swaths of wetlands this century in one or more bays from Alabama to Texas.
The search for 'green' gold in the Amazon rain forest
(PhysOrg.com) -- In a hunt for plants in the Amazon rain forest that have potential to be used for sustainable light-weight construction beams, electronic cases or other high-performance materials, Cornell fiber science professors Anil Netravali and Juan Hinestroza are forging new collaborations with researchers in Brazil.
Feds propose 48 new endangered species in Hawaii
(AP) -- The federal government is proposing to add 47 species of plants and animals and one insect to the endangered species list - all found only on the island of Kauai.
Study links depression to higher death rate from all causes among Medicare beneficiaries with diabetes
(PhysOrg.com) -- In a large group of Medicare beneficiaries with diabetes, depression was associated with a higher death rate from all causes during a two-year study period. The findings are published in the October 2008
Journal of General Internal Medicine.