
Taylor Wilson, 17, an Intel International Science and Engineering Fair 2011 finalist, explains his project to the president. Credit: White House This week, the president of the United States invited some big winners to the White House. And no, they don’t play football. February 7 marked the second ever White House Science Fair. About 100 middle school, high school and college students from across the country got a special invitation to spend th…

Biologist Mark Post holds a sample of the engineered meat he’s growing in his Dutch lab. Credit: Reuters If all goes according to Mark Post’s plan, he will appear on television in October and devour a hamburger that costs about twice as much as most houses do in the United States. Yes, as Charlotte the spider might have written, that’s some burger. “It’s not something you’d flip every day on the barbecue,” admits Post, a biologist at Maastricht…