The scaly, toothy reptiles were here with the dinosaurs and are still here even though we've tried to kill them off.
Research now suggests they can teach humans a thing or two about survival.
Genetically modified mosquitoes that can no longer transmit disease could crowd out their nasty relatives, finally halting the spread of malaria and other tropical plagues. Then again, things might not work out quite as planned. Conservationist Gary Nabhan set out to help save the planet by living off the bounty of a harsh desert land. A lab experiment hints at life's interstellar origins, a historian cracks an ancient math mystery, astronauts try to silence an awful din in space, engineered plants flower in reverse, gene studies reveal the price we paid for our big brains, and more. At the newest prisons, technology promotes integration, not isolation.