[The New York Times]
A robot powered by a ground-based laser beam has climbed a long cable dangling from a helicopter to qualify for prize money in a $2 million competition to test the potential reality of the science fiction concept of space elevators.

[multiple]
Health issues? Try these online symptom checkers: WebMD and Mayo Clinic.

[CNN]
NASA finds "significant" water on the moon.

[The Washington Post]
Exposure to high levels of bisphenol A (BPA) a controversial chemical found in thousands of everyday plastic products, appears to cause erectile dysfunction and other sexual problems in men. The study, funded by the federal government and published in the journal Human Reproduction, is the first to examine the impact of BPA on the reproductive systems of human males. Previous studies have involved mice or rats.

[Aspex Corporation]
Free scanning electron microscope photography—send in your sample!

[Telegraph.co.uk]
Japan’s space agency is planning to construct a solar power station in space and use it to beam energy down to Earth using lasers.

[BBC News]
Depression linked to processed foods.

[Scientific American]
Does Vitamin D improve brain function?

[Charlie's Diary]
How habitable is the Earth? The answer might surprise you.

[Yahoo! Health]
Research suggests that a diet high in fructose, a common sweetener, boosts the risk of high blood pressure.