Biochemist Pierre Calleja has invented a living lamp that could light up buildings and streets all the while cutting CO2 emissions. It’s powered entirely by a tube filled with glowing green algae, or to be more specific, the lamp uses the energy created by photosynthesis to power the light within, while the gel lives on CO2 in the air outside. These lamps can store the energy collected for later use, and a single lamp could absorb approximately 1-ton of carbon from the air in a single year. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one of a man who falls flat on his face while playing a VR climbing game.