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July 02, 2009

Is cycling bad for your bones?

Is Bicycling Bad for Your Bones? - Well Blog - NYTimes.com Early results suggest it is.
. . . But Smathers’ research suggests that other factors may be at work as well. “If you have low bone mineral mass, you can wind up with a much more serious break from a crash” than if your bones are thicker, he points out. In his study, the bone density of 32 male, competitive bike riders, most in their late 20s and early 30s, was compared to that of age-matched controls, men who were active but not competitive athletes. Bone scans showed that almost all of the cyclists had significantly less bone density in the spine than the control group. Some of the racers, young men in their 20s, had osteopenia in their spines, a medical condition only one step below full-blown osteoporosis. “To find guys in their twenties with osteopenia was surprising and pretty disturbing,” Smathers says. Another recent study, this one published last year, had similar results. It followed competitive cyclists over the course of a race season in Colorado. The riders, aged 27 to 44, began with slightly below-average bone density. By the conclusion of the race season, they had lost a significant portion of their total, already-low bone mass in their hips, though not in their spines. At a three-month follow-up exam, however, they showed a small amount of bone recovery in the hips.

July 01, 2009

Can Ants Use Telephones? Science Says, "I Dunno"

‘Operator? Can You Put Me Through to Ant Nest 251?’...

Suppressed EPA agent not actually a scientist

Climate Skeptic: "I Was Hoping People At EPA Would Pay Attention" To My Work | TPMMuckraker
Conservatives are jumping up and down over a report by an EPA analyst expressing skepticism about climate change, which, they claim, was suppressed by agency brass because it didn't conform to Obama administration orthodoxy on global warming. The story has sparked explosive claims, on Fox News and other right-wing outlets, that the EPA censored scientific data for political reasons. And Monday, Sen. James Inhofe (R-OK) called for an outright criminal investigation into the matter. But it's hard to blame EPA for not paying much attention to the study. And it's more than a little ironic that DC Republicans have chosen its author as their new standard-bearer in the defense of pure science against politics. Because the author, EPA veteran Al Carlin, is an economist, not a climate scientist. EPA says no one at the agency solicited the report. And Carlin appears to have taken up the global warming topic largely as a hobby on his own time. In fact, a NASA climatologist has called the report -- whose existence was first publicized last week by the industry-funded Competitive Enterprise Institute (CEI) -- "a ragbag collection of un-peer reviewed web pages, an unhealthy dose of sunstroke, a dash of astrology and more cherries than you can poke a cocktail stick at."

Humanity Accidentally Forges Ant World Peace, Continues Slaughtering One Another

BBC - Earth News - Ant mega-colony takes over world...

June 30, 2009

70 Paleontologists walk into a Creationist musuem . . .

Paleontology and Creationism Meet but Don’t Mesh - NYTimes.com
PETERSBURG, Ky. — Tamaki Sato was confused by the dinosaur exhibit. The placards described the various dinosaurs as originating from different geological periods — the stegosaurus from the Upper Jurassic, the heterodontosaurus from the Lower Jurassic, the velociraptor from the Upper Cretaceous — yet in each case, the date of demise was the same: around 2348 B.C. “I was just curious why,” said Dr. Sato, a professor of geology from Tokyo Gakugei University in Japan. . . . The museum’s presentation appeals to visitors like Steven Leinberger and his wife, Deborah, who came with a group from the Church of the Lutheran Confession in Eau Claire, Wis. “This is what should be taught even in science,” Mr. Leinberger said. . . . Dr. Bengtson noted that to explain how the few species aboard the ark could have diversified to the multitude of animals alive today in only a few thousand years, the museum said simply, “God provided organisms with special tools to change rapidly.” “Thus in one sentence they admit that evolution is real,” Dr. Bengtson said, “and that they have to invoke magic to explain how it works.”

Horrible mysterious lifeform discovered in sewers

Sewer Cam: Unknown life form

Creationist Scientist interviewed

Michael Shermer interviews creationist 'scientist' I was with her until she claimed that bacteria were evil and didn't exist on Earth until after the Fall.