Friday Links: Olympics Pollution and U.S. Masks, Climate Change and Allergies, Stem Cell Breakthrough

Let’s start off with Beijing.
U.S. Cyclists Wear Pollution Masks in Airport, Then Apologize
This is a ridiculous story. Not because the athletes wore the masks in the airport, where the air is filtered and the move therefore struck some as unnecessary and even inflammatory, and not because the thick, thick tension surrounding Beijing’s air problem prompted […]