26 January 2011, 03:32 PM ET
Sharks can be deadly and in many ways mysterious. But in the 35 years since "Jaws" first terrified movie-goers, (the movie was released June 20, 1975) science has revealed much about sharks, their evolution, and how they work.
26 January 2011, 02:32 PM ET
With thousands of species of ants crawling beneath your feet every day, in cities and rural areas, you'd think we'd know our six-legged pals. But of course they're tiny and many don't make a peep. So here's a close-up glance at the lives of ants, some ben