Below the Edge of DarknessBy: Edith Widder 'A book of marvels, marvellously written' RICHARD DAWKINS A pioneering marine biologist takes us down into the deep ocean to understand bioluminescence, the language of light that helps life communicate in the darkness, and what it tells us about the future of life on Earth. Edith Widder grew up determined to become a marine biologist. But after complications from a surgery during college caused her to go temporarily blind, she became