ScienceDaily: Top Environment News |
- Gulf of Mexico topography played key role in bacterial consumption of Deepwater Horizon spill
- Chemical measurements confirm official estimate of Gulf oil spill rate
- Could Siberian volcanism have caused the Earth's largest extinction event?
- Tracking genes' remote controls: New method for observing enhancer activity during development
- New cores from glacier in Eastern European Alps may yield new climate clues
- Fit females make more daughters, mighty males get grandsons
- Colorado mountain hail may disappear in a warmer future
- Paddlefish sensors tuned to detect signals from zooplankton prey
| Gulf of Mexico topography played key role in bacterial consumption of Deepwater Horizon spill Posted: 09 Jan 2012 06:22 PM PST When scientists reported that bacterial blooms had consumed almost all the deepwater methane plumes after the 2010 Gulf of Mexico Deepwater Horizon oil spill, some were skeptical. |
| Chemical measurements confirm official estimate of Gulf oil spill rate Posted: 09 Jan 2012 12:57 PM PST By combining detailed chemical measurements in the deep ocean, in the oil slick, and in the air, NOAA scientists and academic colleagues have independently estimated how fast gases and oil were leaking during the 2010 Deepwater Horizon oil spill in the Gulf of Mexico. The new chemistry-based spill rate estimate, an average of 11,130 tons of gas and oil compounds per day, is close to the official average leak rate estimate of about 11,350 tons. |
| Could Siberian volcanism have caused the Earth's largest extinction event? Posted: 09 Jan 2012 10:27 AM PST Around 250 million years ago there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Although the cause of this event is a mystery, it has been speculated that the eruption of a large swath of volcanic rock in Russia was a trigger for the extinction. New research offers insight into how this volcanism could have contributed to drastic deterioration in the global environment of the period. |
| Tracking genes' remote controls: New method for observing enhancer activity during development Posted: 09 Jan 2012 10:26 AM PST Inside each cell's nucleus, genetic sequences known as enhancers act like remote controls, switching genes on and off. Scientists can now see -- and predict -- exactly when each remote control is itself activated, in a real embryo. |
| New cores from glacier in Eastern European Alps may yield new climate clues Posted: 09 Jan 2012 08:58 AM PST Researchers are beginning their analysis of what are probably the first successful ice cores drilled to bedrock from a glacier in the eastern European Alps. |
| Fit females make more daughters, mighty males get grandsons Posted: 09 Jan 2012 07:29 AM PST Females influence the gender of their offspring so they inherit either their mother's or grandfather's qualities. "High-quality" females -- those which produce more offspring -- are more likely to have daughters. Weaker females, whose own fathers were stronger and more successful, produce more sons. |
| Colorado mountain hail may disappear in a warmer future Posted: 08 Jan 2012 11:35 AM PST Summertime hail could all but disappear from the eastern flank of Colorado's Rocky Mountains by 2070, according to a new modeling study. Less hail damage could be good news for gardeners and farmers, but a shift from hail to rain can also mean more runoff, which could raise the risk of flash floods, she said. |
| Paddlefish sensors tuned to detect signals from zooplankton prey Posted: 05 Jan 2012 11:58 AM PST Neurons fire in a synchronized bursting pattern in response to robust signals indicating nearby food. |
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