ANCHORAGE, Alaska — Sparse summer sea ice in the Arctic over the past five years has caused behavioral changes in Pacific walruses according to research published by U.S. Geological Survey and Russian scientists. The effects on the walrus population are unknown.
“The loss of sea ice is the ‘why’ for the change in walrus behavior; the tracking data tells us the ‘where’ in terms of their new forage patterns,” said USGS Director Marcia McNutt. “What awaits to be seen is ‘how much will it matter?'” (more…)
EAST LANSING, Mich. — Soybeans are one of the largest commodity crops in the world.
They also are starting to play a major role in reducing our carbon footprint, providing improved environmental performance and replacing finite, non-renewable resources such as oil.
And this is where Ramani Narayan comes in. (more…)
‘Greener’ and more engaging experiments draw students in
As a college student, Michelle Driessen had an all-too-typical experience.
“I hated general chemistry,” she says. “I thought it was terribly boring.”
She had plenty of company. Experiments were all laid out in advance, and the goal seemed to be to get to a predetermined result without blowing up the glassware.
In the old days, “very few students appreciated the point of most general chemistry labs,” adds Driessen. “With cookbook chemistry, you couldn’t have anything go wrong or deviate [from what’s supposed to happen], but I find those things to be the most interesting part of science.” (more…)
*Damaged deep-sea corals discovered months after Deepwater Horizon spill*
Scientists are reporting new evidence that the Deepwater Horizon oil spill has affected marine life in the Gulf of Mexico, this time species that live in dark ocean depths–deepwater corals.
The research used a range of underwater vehicles, including the submarine Alvin, to investigate the corals. The findings are published this week in the journal Proceedings of the National Academy of Sciences (PNAS). (more…)
Researchers at Yale University have developed a new way of seeing inside solid objects, including animal bones and tissues, potentially opening a vast array of dense materials to a new type of detailed internal inspection.
The technique, a novel kind of magnetic resonance imaging (MRI), creates three-dimensional images of hard and soft solids based on signals emitted by their phosphorus content. (more…)
In a detailed assessment of the Deepwater Horizon oil spill, researchers led by a team from the Woods Hole Oceanographic Institution (WHOI) have determined that the blown-out Macondo well spewed oil at a rate of about 57,000 barrels a day, totaling nearly 5 million barrels of oil released from the well between April 20 and July 15, 2010, when the leak was capped. In addition, the well released some 100 million standard cubic feet per day of natural gas. (more…)
