In Kalahari Desert lies the "Devil's claw," a plant that may hold the key to effective treatments. Unfortunately, years of drought have pushed the Devil's claw toward extinction, so scientists are scrambling to devise new ways to produce the medicinal chemicals of the Devil and other rare plants.
Plexiglass helps trap the sun's rays and provides a means to cook without fossil fuels or wood. One little solar cooker aims to take a big bite out of climate change. The Kyoto Box is intended as an alternative for millions of people who burn wood to cook food and boil water.