Are We Alone? New Analysis Suggests Life Could Be Extremely Rare In the Universe| Statistics Crush Optimism in Search for Extraterrestrials | Search for Life, SETI | Space.com

Again with the mean scientists! Using a statistical method called Bayesian reasoning, they argue that the life here on Earth could be common, or it could be extremely rare — there’s no reason to prefer one conclusion over the other. With their new analysis, Spiegel and Turner say they have erased the one Drake factor…

Can a Playground Be Too Safe?

After observing children on playgrounds in Norway, England and Australia, Dr. Sandseter identified six categories of risky play: exploring heights, experiencing high speed, handling dangerous tools, being near dangerous elements (like water or fire), rough-and-tumble play (like wrestling), and wandering alone away from adult supervision. The most common is climbing heights. “Climbing equipment needs to…

Shuttle Astronauts Set to Leave Space Station for Last Time | Atlantis STS-135 Final Mission | International Space Station | Space.com

In an occurrence which became somewhat of a tradition for shuttle crews and those of the International Space Station expeditions, the Expedition 28 crew and the STS-135 Atlantis astronauts formed a microgravity circle for a portrait aboard the orbiting complex’s Kibo laboratory of the Japan Aerospace Exploration Agency. This image was taken on July 15,…