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Posted in Science on Dec 26th, 2009
Using the NASA/ESA Hubble Space Telescope, astronomers have uncovered two distinct kinds of “rejuvenated” stars in the globular cluster Messier 30. A new study shows that both stellar collisions and a process sometimes called vampirism are behind this cosmic “face lift.” The scientists also uncover evidence that both sorts of blue stragglers were produced during [...]
Posted in Science on Dec 25th, 2009
When the sun and moon are aligned with the San Andreas Fault they tug on it enough to increase the tremor rate deep underground, according to a new study. While these tremors have not yet been linked to earthquakes, the tremors are associated with increased stress on the fault and may increase the risk of [...]
Posted in Science on Dec 24th, 2009
Santa skeptics have long considered St. Nick’s ability to deliver toys to the world’s good girls and boys on Christmas Eve a scientific impossibility. But new research shows that Santa is able to make his appointed rounds through the pioneering use of cutting-edge science and technology.
Posted in Science on Dec 23rd, 2009
The use and control of fire are behavioral characteristics that distinguish humans from other animals. Now anthropologists report that savanna chimpanzees in Senegal have a near human understanding of wildfires and change their behavior in anticipation of the fire’s movement.
Posted in Science on Dec 22nd, 2009
The teeth of some apes are formed primarily to handle the most stressful times when food is scarce, according to new research. The findings imply that if humanity is serious about protecting its close evolutionary cousins, the food apes eat during these tough periods — and where they find it — must be included in [...]
Posted in Science on Dec 21st, 2009
The golden ratio is a geometric proportion that has been theorized to be the most aesthetically pleasing to the eye and has been the root of countless mysteries over the centuries. Now, an engineer has found it to be a compelling springboard to unify vision, thought and movement under a single law of nature’s design.
Posted in Science on Dec 20th, 2009
Saturn’s largest moon, Titan, looks to be the only place in the solar system — aside from our home planet, Earth — with copious quantities of liquid (largely, liquid methane and ethane) sitting on its surface. According to a planetary astronomer Earth and Titan share yet another feature, which is inextricably linked with that surface [...]
Posted in Science on Dec 19th, 2009
NASA’s Hubble Space Telescope has discovered the smallest object ever seen in visible light in the Kuiper Belt, a vast ring of icy debris that is encircling the outer rim of the solar system just beyond Neptune.
Posted in Science on Dec 18th, 2009
In the new blockbuster Avatar, humans visit the habitable — and inhabited — alien moon called Pandora. Life-bearing moons like Pandora or the Star Wars forest moon of Endor are a staple of science fiction. With NASA’s Kepler mission showing the potential to detect Earth-sized objects, habitable moons may soon become science fact.
Posted in Science on Dec 17th, 2009
A real possibility does exist for developing a new generation of foods that make people feel full by releasing anti-hunger aromas during chewing, scientists in the Netherlands are reporting after a review of research on that topic. Such foods would fight the global epidemic of obesity with aromas that quench hunger and prevent people from [...]
Posted in Science on Dec 16th, 2009
About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet out to Mars in our solar system. Moreover, it has begun to pulse dramatically in and out, beating like [...]
Posted in Science on Dec 15th, 2009
Scientists have shown that hydrogen cyanide, urea and other substances considered essential to the formation of the most basic biological molecules can be obtained from the salt Prussian blue. In order to carry out this study the scientists recreated the chemical conditions of the early Earth.
Posted in Science on Dec 14th, 2009
Using atoms at temperatures colder than deep space, physicists have delivered overwhelming proof for a 1970 theory that was largely scoffed at when it first appeared. They offers experimental proof of a universal quantum mechanism that causes trios of particles to appear and reappear at higher energy levels in an infinite progression. The triplets, or [...]
Posted in Science on Dec 13th, 2009
Monkeys of a certain forest-dwelling species called Campbell’s monkeys emit six types of alert calls. The primates combine these calls into long vocal sequences which allow them to convey messages about social cohesion or various dangers, including predation.
Posted in Science on Dec 12th, 2009
A galaxy located billions of light-years away is commanding the attention of NASA’s Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began September 15, the galaxy is now the brightest source in the gamma-ray sky — more than ten times brighter than it was in the summer.
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