Harvard gets us closer to having sharks with frickin' laser beams embedded in their heads
Wired reports Harvard researchers have managed to create "living lasers" out of human embryonic kidney cells re-engineered to create a protein used by jellyfish to create light:
When the team ran pulses of blue light through the kidney/jellyfish combo, a visible laser beam shot out. It only lasted for a few nanoseconds, but the light could be easily detected and carried useful information on the properties of the cell. The cell also left the experiment unharmed.