Editor's note: This article has been modified from an earlier version, which misstated Dan Luo's given name. GT regrets the
In some parts of the developing world, you'd be hard-pressed to find refrigerators — which need a consistent supply of electricity — and clean water — or, in some cases, water at all. But, both electricity and water are required to perform most diagnostic tests for infectious diseases.
"The only things you have, actually, are Coca-Cola and cell phones," says Cornell University's Dan Luo.