Another intriguing post from our friends at Worldchanging.com…
Get TED Talks recommended for you.
The glowing, neon green lamp you see above is the invention of French biochemist Pierre Calleja, who had the crazy idea of using algae to power otherworldly, tube-shaped streetlamps that double as homes for this growing gloop. In a talk at TEDxLausanneChange, he explains the process behind the invention. You may remember photosynthesis from biology class — if not, Wikipedia will […]
Planet Earth doesn’t exactly have a birthday. But every year on April 22, we celebrate Earth Day — the anniversary of the moment the environmental movement went mass. According to EarthDay.org, Earth Day was founded in 1970 by U.S. Senator Gaylord Nelson, who called for a “national teach-in on the environment” after witnessing the terrible effects […]