Jef Akst was managing editor of The Scientist, where she started as an intern in 2009 after receiving a master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses.

Major microscope manufacturers, including Zeiss, Nikon, and Olympus, offer "turnkey" TIRF systems costing upwards of $100,000. But you can also upgrade an existing microscope to this capability.

NASA has officially upgraded the chances of the 'city-destroying' asteroid hitting Earth seven years from now.