The Dream Vaccine
The world craves an effective, risk-free vaccine against recalcitrant foes like AIDS and malaria. Creating mock infections with tiny rings of bacterial DNA may be the answer.
by Mark Caldwell
Impossible Planets
How do you get one jupiter-size planet into a tight orbit? Start with two, spiraling in toward their sun. Then a close gravitational encounter flings one outward, the other inward. Yeah, that's a good theory, don't you think?
Truth, Beauty, and the Virtual Machine
With each passing day our fabulous software creations--our virtual machines--grow more complex, more powerful, and more unwieldy. They will never carry us to a golden future unless we start to craft them with beauty as well as brawn.
At Home With the Jellies
The best plan in the open sea is to be gelatinous. Failing that, you should grab onto something that is.