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The Associated Press
AP Top Science News At 2:49 p.m. EDT

Scientists, tribe study shrinking Washington state glacier
AP Photo
MOUNT BAKER, Wash. (AP) -- Mauri Pelto digs his crampons into the steep icy slope on Mount Baker in Washington state and watches as streams of water cascade off the thick mass of bare, bluish ice. Every 20 yards, the water carves vertical channels in the face of the glacier as it rushes downstream....

Far below South Dakota, a cave holds pure, promising water
AP Photo
WIND CAVE NATIONAL PARK, S.D. (AP) -- Hundreds of feet beneath the Black Hills, a team of scientists and researchers snake through dark, narrow and silent corridors of ancient rock to reach their goal: what is thought to be some of the purest water on Earth....

Study can't confirm results of many psychology experiments
NEW YORK (AP) -- A large group of researchers set out to repeat 100 experiments published by leading psychology journals to see how often they would get the same results....





Pentagon funding new high-tech venture
MOUNTAIN VIEW, Calif. (AP) -- Defense Secretary Ash Carter announced Friday that the Pentagon is funding a new venture to develop cutting-edge electronics and sensors that can flex and stretch and could be built into clothing or the skins of ships and aircraft....

Leading stem cell scientist cleared of misconduct charges
LONDON (AP) -- Sweden's Karolinska Institute says a leading stem cell scientist accused of unethical behavior has been cleared of scientific misconduct though he sometimes acted without due care....

Buzz Aldrin joins university, forming 'master plan' for Mars
MELBOURNE, Fla. (AP) -- Buzz Aldrin is teaming up with Florida Institute of Technology to develop "a master plan" for colonizing Mars within 25 years....

What killed Knut? Riddle of polar bear's death solved
BERLIN (AP) -- The sudden death four years ago of Knut, the celebrity Berlin Zoo polar bear who ended up on the cover of Vanity Fair, shocked his fans around the world and posed a riddle for veterinarians anxious to keep other animals from suffering the same fate....

Ag secretary promises more sage grouse spending across West
PORTLAND, Ore. (AP) -- The federal government plans to spend more than $200 million over the next three years on programs to protect greater sage grouse in Western states - regardless of whether the bird receives federal protections, U.S. Agriculture Secretary Tom Vilsack said....

Californians cut water without state imposing fines
FRESNO, Calif. (AP) -- For the second straight month, Californians exceeded hefty water conservation mandates during the relentless drought without the state imposing fines, officials said....

USDA to approve Simplot's genetically engineered potato
BOISE, Idaho (AP) -- The U.S. Department of Agriculture has approved a potato genetically engineered by Idaho-based J.R. Simplot Co. to resist the pathogen that caused the Irish potato famine and that still damages crops around the world....