Science News Archive - February 12, 2009
Martian wind gusts have removed some dust from the U.S. space agency's Mars rover Spirit, increasing its electrical output, NASA says. National Aeronautics and Space Administration scientists said the cleaning boosts Spirit's daily energy supply to about 240 watt-hours from 210 watt-hours.
Martian wind guests have removed some dust from the U.S. space agency's Mars rover Spirit, increasing its electrical output, NASA says. National Aeronautics and Space Administration scientists said the cleaning boosts Spirit's daily energy supply to about 240 watt-hours from 210 watt-hours.
The suffering economy has slowed tourism to Antarctica, much to the delight of environmentalists who seek to avoid any further damage to the world's last big wilderness.
A nine-month study has found plant and forestry wastes and dedicated energy crops could replace nearly a third of U.S. gasoline use by 2030. The research conducted by the Sandia National Laboratories and the General Motors Corp.
Fans everywhere are celebrating the 200th birthday of Charles Darwin, the man whose controversial book "On The Origin of Species" captured the mind of some of the worldâ€™s most important thinkers.
Aerosols may have a greater impact on patterns of Australian rainfall and future climate change than previously thought, according to leading atmospheric scientist, CSIROâ€™s Dr Leon Rotstayn.
U.S.-led research is providing strong support for the idea that one of the key functions of sleep is the consolidation of memories. University of Pennsylvania School of Medicine researchers say although sleep is thought to facilitate memory and learning, the molecular links between sleep and synaptic plasticity aren't well understood.
A leading scientist said on Thursday that atmospheric levels of carbon dioxide are hitting new highs, providing no indication that the world economic downturn is curbing industrial emissions.
- An evil spirit; a devil.
- A nightmare.
- In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.