In this issue: "Follow the Bouncing Universe": Our universe may have started not with a big bang - but with a big bounce. "Lighting up the Brain": New methods used to control and study the brain activity in animals should lead to a better understanding of how the human brain functions. "Web Science Emerges": Studying the Web will reveal better ways to exploit information, prevent identity theft, revolutionize industry and manage our ever growing online lives. "Barcode of Life": A specific strand of DNA could be mined to help identify the legions of species of earth. "With Open-Source Arms": A community of engineers, designers and innovators are collaborating online to make better prosthetic hands and arms for amputees.
©2008 Scientific American