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Moon Dust Can Kill
November 27, 2007
Future astronauts preparing to operate on the moon, beware. High-speed dust is deadly, reports PhysOrg. With no atmosphere on the moon to slow its path, dust flying from rocket engines can blast anything in its path. “Small grit can travel enormous distances at high speeds, scouring everything in its path,” the article says – at […]
Early Platypus Stuns Evolutionists
November 27, 2007
With the possible exception of a monotreme tooth assumed to be 62 million years old, the oldest known platypus fossil was dated 15 million years old. Now, a fossil from Australia reported in Science sets a new record: 112 million years old.1 “It’s really, really old for a monotreme,” Timothy Rowe of the […]
Pangea Stuck at Square One
November 26, 2007
Students in their physical science classes learn all about Pangea, the supercontinent that broke up 200 million years ago and ended up with today’s familiar continents after millions of years of continental drift. What they don’t often learn is how scientists come up with these ideas, and how they pull their hair out when observations […]
The Stars That Shouldnt Exist
November 25, 2007
Theories in astronomy are fun to model on paper with equations, but once in awhile they need to stand up to observations. Phil Berardelli wrote for Science Now: It seems as though every time astronomers point their telescopes at the night sky, some weird new finding forces them to revamp their theories. And so it […]
Multiple Dinosaurs Reclassified as One Species
November 24, 2007
It’s tough sometimes to draw the line between species – especially when dealing with fossils. A report in Science suggests that three bone-headed dinosaurs are probably just different stages of one species.1 These had been named Pachycephalosaurus, Stygimoloch and Dracorex. Erik Stokstad, reporting on activities at the meeting of the Society of Vertebrate […]
No Salt, Please: Europa Life Needs It Bland
November 23, 2007
Salt may taste good on human food, but for life trying to emerge in the sea, it is toxic. Astrobiologists have long wondered if life could exist at Jupiter’s moon Europa, where an ocean is believed to exist miles deep under the icy crust. They must have been presuming the water is pure, but an […]
SETI Researcher Writes Childrens Poem
November 22, 2007
For a feature called “SETI Thursday” at Space.com, Dr. Laurence Doyle has written a childish poem about how life brought itself up from nothing to galactic explorers. It begins, “When the Earth was young, and the Moon nearby, in a cometary sea, prokaryotic thoughts arose, what fun it is to be!” The idea of evolving […]
Give Thanks for Our Rare Moon
November 22, 2007
Our moon is a rare treat, says a press release from Jet Propulsion Laboratory, based on findings from the Spitzer Space Telescope. The telescope looked for indications of dust from collisions in other planetary disks thought to be the age of our solar system when our moon formed. According to the leading theory, our moon […]
Mt. St. Helens Rebuilding Fast
November 21, 2007
Could Mt. St. Helens grow back to its pre-1980 size in just 180 years? That’s what an article in the Tacoma, Washington News Tribune says. The lava dome is growing fast, and so is a glacier inside the crater. It is growing 3 feet per day. The lava dome split the glacier because it was […]
How Early Man Got High on Generosity
November 19, 2007
Are you generous because of a chemical? That seems to be the claim of researchers from UCLA, Chapman and Claremont. They did a double-blind test with students where they played computer games that required them to make decisions about how to split up a sum of money. The ones who got a whiff of oxytocin […]
Males on Evolutionary Overdrive
November 17, 2007
A press release from University of Florida claims males evolve faster than females, and suggests a reason. It’s because males are simpler. Some quotes: The observation that males evolve more quickly than females has been around since 19th century biologist Charles Darwin noted the majesty of a peacock’s tail feather in comparison with the plainness […]
Nature Inspires Useful Products
November 16, 2007
Some day soon you may be able to extract water out of thin air, decorate your walls with detachable wallpaper, read street signs clearly in fog, and employ reusable tape underwater. These are some of the innovations coming from biomimetics – science inspired by nature’s designs. Venus flytrap: Alex Crosby at University of Massachusetts was […]
Darwin As Prognosticator
November 15, 2007
How good was Darwin at making predictions? A good scientific theory should make predictions, at least according to a common assumption about science. PBS thinks Darwin hit a home run, according to an interactive feature on the website for Judgment Day, the documentary about evolution vs intelligent design shown on Nova this week (11/14/2007). The […]
Photo: Earthrise 2007
November 15, 2007
The Japanese Kaguya spacecraft has taken a series of “Earthrise” photos from lunar orbit, including this sequence. The complete set of new hi-resolution photos is available at Japanese Aerospace Exploration Agency. (Due to the orbital path of the spacecraft, Antarctica is at the top.) “Earth-rise is a phenomenon seen only from satellites that […]
Judgment Day: Will it Be the New Inherit the Wind?
November 14, 2007
The PBS-Vulcan film Judgment Day just aired on national TV (see 10/12/2007) and is sure to represent a new rallying point for both sides of the ongoing controversy over Darwinian evolution that has raged for 148 years. For material on both sides, see the PBS website, which put Intelligent Design on trial, and the responses […]
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