Flying, Lasers, Robofish and Cities of Slime

And More Brain-Bending Science Moments.

Yet more bizarre but true stories about the latest discoveries in science, by Australia's livewire guru of science, Dr Karl Kruszelnicki.

How can a string of big, fat lasers take the place of anti-missile missiles? What are engineers doing with a tuna called Charlie the Robofish? Do you know that bacteria live in strange, slimy skyscraper cities, and that some bacteria have a tiny electric motor?

Which star, 300,000 years ago, blew out a hole in our galaxy? Is it true that beer has fewer calories than skim milk? What should you do if you are trapped in quicksand? Do you know that cordless phones can cause strokes? And that really soon (any time in the next few thousand years) we should flip into the next Ice Age?