Doing large studies of marijuana's potential as medicine means getting it removed from an official federal list of substances with no official medical use--which requires more proof of its potential as medicine.
Here are five meaningful steps you can take
We are in the middle of a technological upheaval that will transform the way society is organized. We must make the right decisions now
Fact or Fiction?: NASA Spent Millions to Develop a Pen that Would Write in Space, whereas the Soviet Cosmonauts Used a Pencil
The problem of weightless writing was not solved by either Soviet central planning or good old American sub-contracting, but by a private investor and a good idea
The results suggest that a maternal “dynasty” ruled the society’s greatest mansion for more than 300 years, but concerns over research ethics cast a shadow on the technical achievement
Astronomers say at least three of the worlds may be habitable, and could be studied for signs of life within a decade
A 43-day storm that began in December 1861 put central and southern California underwater for up to six months, and it could happen again
These deceptively cute purple worms are in fact fearsome predators, launching a net of sticky slime from tiny hoses to capture prey. Scientists are using high-speed cameras to understand how the fluid forces the worm's flexible tubes to oscillate and spray the goo over unlucky insects. "Lens of Time: Velvet Worms—Secret of the Slime” was first published on bioGraphic © 2016, California Academy of Sciences.