That's one of our topics this Wednesday, though "kite power" is still in the testing phase. We're also featuring research that suggests bull sharks may be more social creatures that previously thought. Our "Around the World in 80 Seconds" segment reports on conflicts in the Middle East and southern Asia. And our history topics include the 1766 Stamp Act, the first spacewalk, and an infamous art heist that hasn't been solved. Plus: tips on regularly incorporating protein into your diet.