George Knapp shares a number of items that have recently caught his attention, including a photo essay on the world of manta rays:
How the DEA Changed the Overdose Numbers
The difference between night and day is disappearing, scientists warn
Synthetic THC is safer than actual weed, according to the DEA
For the First Time, a Robot Passed a Medical Licensing Exam
Inside the World of Manta Rays
Japan: Nuclear Reactor Behind Fukushima Disaster Considered for Another Power Plant