The Internet is not the only globally-uniting phenomenon. Viruses and bacteria can circle the globe as fast as we can, and the effects can be devastating. Discover what it takes for an animal disease to become a human pandemic. Also, was hurricane Sandy a man-made disaster? The future of severe storms and climate change.
Plus, the view of our science from abroad: why Brits have no trouble accepting the theory of evolution but Americans do. And what about a new annex for Silicon Valley – 12 miles out to sea?