Cloning the Woolly Mammoth
If you thought reproducing sheep and mice was a leap ahead, you won't believe what the Japanese have in mind
by Richard Stone
Why We Get Fat
The good news is recent research indicates fat might not be your fault. The bad news is you might not be able to do much about it
Private Rockets
If you're sorry you didn't buy a few shares of Federal Express about 20 years ago, read this
How to Heal a Masterpiece
When a painting shows the ravages of time, conservators try a little TLC--tender loving chemistry
Who's Out There?
The search for intelligent life in outer space is going so well, scientists need a little help from you and your home computer
