Good news: As you age, leg blood vessels adapt so you can still exercise without fainting
...hetic stimulus -- plunging a hand into a bucket of ice while still cycling -- and compared the blood vessel reactions in the legs of both age groups. Editors note: Proctor is speaking at the American Physiological Society's 2004 Intersociety Meeting, "The Integrative Biology of Exercise," Oct. 6-9 i...Old bones unearth new date for giant deer's last stand
...vely wiped out by climate change and the spread of ice sheets, according to the study by UCL Professors Adrian Lister and Tony Stuart, published in the latest issue of Nature. Unfortunately for these majestic beasts, the extra three thousand years takes them well into the modern era when Stone Age hunti...Deciphering the Arctic Ocean climate puzzle
...tions extend that far back in time. Details of the ice cover, timing, and dominance over this time period will be released to the media in Bremen. Notes to editors and producers: Register to Attend Interviews with scientists from many countries (U.S., Sweden, The Netherlands, U.K., Germany) will be po...UCSD researchers find effective treatment for unusual fever syndrom caused by cold exposure
...used the problem by daring our relative to jump in ice water." "I couldn't live back east; it's far too cold," Fowler noted. "Even a slight change of temperature causes a rash, swollen joints, chills, a headache and painful red eyes. It's hard for me to breathe when I get out in the cold air. I fe...Ancient fossil offers new clues to brown bears past
..., Alberta, in gravels that date to before the last ice age (older than 24,000 years). If this was true, M...e ancestors of southern brown bears came from when ice sheets retreated about 13,000 years ago--their genetic type did not exist in Beringia at that time. ...Delays in cutting greenhouse gasses could harm environment
...tween the disintegration or the stability of major ice sheets in Antarctica or Greenland, which would dra...cosystems as well as the global ocean currents and ice sheets. "The bottom line is that people and their governments ought to develop a sense of how much w...Study in Royal Society journal on possible genetic factors in social responsiblity
... both species survived similarly to the Quaternary ice ages in Spain, Italy and Sicily, and both species ...d Western Europe from Spain at the end of the last ice age (10,000 years ago). Moreover, the parasite's rate of DNA evolution is 1.5 fold higher as compare...What have scientists learned since Mount St. Helens erupted?
...atches of snow to protect subalpine vegetation, or ice covering lakes, which shielded aquatic organisms from lethal volcanic forces. If it had been at night, the nocturnal animals would have been exposed to lethal volcanic forces. Instead, they had returned to the safety of their subterranean burrows." ...U. of Colorado research team discovers life in Rock Glacier
... are large masses of rock debris interspersed with ice in the high mountains of temperate areas. Moving ...boiling water in deep-sea ocean vents, clinging to ice in subterranean polar lakes and living in rocks two miles underground. Such microbes, known popular...Research team discovers first evidence of microbes living in a rock glacier
... are large masses of rock debris interspersed with ice in the high mountains of temperate areas. Moving ...boiling water in deep-sea ocean vents, clinging to ice in subterranean polar lakes and living in rocks two miles underground. Such microbes, known popular...NSF funds Panikov's Alaskan Tundra Microbial Observatory project
...cell division after temporary warming of the polar ice or permafrost above the freezing point. In 1990-96, when environmental scientists started intensive year-round recording of gas emission from soils to atmosphere, they found sizeable winter activity of the tundra microbial community." In laboratory...50,000-year-old plant may warn of the death of tropical ice caps
...made nearly annual pilgrimages to Peru's Quelccaya ice cap to monitor its slow demise, a probably victim ...of plants that had, until then, been buried by the ice cap. Carbon dating on those plants suggested that they had been buried nearly 5,000 years ago. "We w...There are no hockey sticks waving around on NHL ice this holiday season, but travel to Banff National Park in Alberta, Canada, and you'll see plenty of them. The game? Keeping elk at a safe distance from their adoring fans. Researchers at the University of Alberta have found a way to keep elk in the p...Iceberg poses no threat to Antarctic personnel
... wind and ocean currents, with the result that sea ice had formed over a larger area than usual in the se...000. Scientists believe that the enormous piece of ice broke away as part of a long-term natural cycle (every 50-to-100 years, or so) in which the shelf--w...Queen's discovery sheds new light on ancient temperatures
...allow, warm oceans during the interval between two ice ages that extended all the way to the equator mill...tion for scientists is what triggered the enormous ice ages that left the oceans cold enough for the formation of this mineral? One controversial theory k...B-15A iceberg's close encounter monitored by Envisat
...he hypothesis that the seabed around the Drygalski ice tongue is shallow, and surrounded by deposits of g...trument are being posted online daily. Opposing ice objects The largest floating object on Earth, the bottle-shaped B-15A iceberg is around 120 kilome...Scientists find missing link between whale and its closest relative, the hippo
...wide for 40 million years and then died out in the ice ages is the missing link between the whale and its not-so-obvious nearest relative, the hippopotamus. The conclusion by University of California, Berkeley, post-doctoral fellow Jean-Renaud Boisserie and his French colleagues finally puts to rest the ...Arid Australian interior linked to landscape burning by ancient humans
...d meteorological conditions during the most recent ice age caused Earth's major monsoons to waver, all except the Australian Monsoon were "reinvigorated" to full force during the Holocene Period beginning about 12,000 years ago, he said. Although the Australian Monsoon delivers about 39 inches of rain a...Spectroscopy for the real world
...of how a liquid-like film exists on the surface of ice close to its melting point. It has also shed light on how the rhodium metal surface adsorbs and removes carbon monoxide and nitrogen oxide gases in car exhaust converters. Buoyed by this success, the team trained the instrument on the secret lives of......emperature that could be the key to explaining how ice and snow particles flow during an avalanche, and could lead to a better way of handling tablets in the pharmaceutical industry. This research is reported today in a special Einstein Year issue of the New Journal of Physics ( http://www.njp.org ) publ...