Testing for Disease, for Under a Penny, Using Bits of Paper – NYTimes.com
“The diagnostic tests designed in Dr. Whitesides’s Harvard University chemistry laboratory fit on a postage stamp and cost less than a penny. His secret? ...
Tag: africa
Language May Have Helped Early Humans Spread Out of Africa – ScienceNOW
“The story of humanity’s prehistoric expansion across the planet is recorded in our genes. And, apparently, the story of the spread of language is h...