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- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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- A mind for math: A part of the brain associated with making memories may also predict success in learning math
- Teens take home science gold: A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition
- Flagging loose bolts: “Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger
Web edition: May 6, 2011
Print edition: May 21, 2011; Vol.179 #11 (p. 4)
U.S. SPACEMAN A-OKAY — The United States broke the space barrier May 5 when Alan B. Shepard, Jr., 37-year-old astronaut, rode the Mercury capsule 302 miles down-range from Cape Canaveral, Fla. At 9:34 a.m. EST the Redstone rocket carrying the Mercury capsule lifted off the launching pad and took the astronaut for a 15-minute trip that made him exclaim, “Man, what a ride!” … Shepard had some difficulty breathing and seeing as he went into space and back, but no more than he was prepared for. The stress on his body, including a “grayout” of his eyes, was less than he had experienced in training.… As he came back to earth, he experienced as much as 11 times the gravity of earth, or felt 11 times his normal weight.
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