We're going to start this list off with a real-life hottie, just to prove we don't perpetually live in a world of stunted adolescent fantasy. Just some of the time. Irish model Claire Tully has shown off her bodacious body in a number of the United Kingdom's daily tabloids, as well as podcasting and tirelessly working for breast cancer awareness. But what you might not know about her is that she has her degree in biochemistry and immunology, and plans to return to the sciences once the whole "being hot" thing slows down.