Table of Contents December 1992

Discover Magazine's mission is to enable readers to lead richer lives by explaining and expanding their universe.  Each month we bring you in depth information and analysis from various topics ranging from technology and space to the living world we live in.
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Some seriously weird things are springing out of the twisted tangle of our DNA.
Coming Soon: Strap-on robot limbs that will give you the strength of a gorilla! The grace of a gazelle! The fantastic leap of a kangaroo! Despite decades of failure, a hardy band of engineers continues to dream.
Dark is unseeable almost by definition, but that doesn't stop two physicists from setting sophisticated traps to pin the ghostly stuff down. The catch is, they're stalking different particles.
Scientists could have eliminated it, but tuberculosis, slayer of millions is once more stalking the streets.
In the jungles of Indonesia, those giant, cold-blooded, man-eating monsters of Yore have not only survived, they've climbed to the top of the carnivore heap.