Hallucinogenic drugs—popularly called psychedelics—have been used by human societies for thousands of years. Today, scientists are taking a second look at many of these mind-altering substances – both natural and synthetic – and discovering that they can have profoundly positive clinical impacts, helping patients struggling with a range of afflictions from addiction to depression and PTSD.
Discover how the concepts of zero and infinity revolutionized mathematics.
What exactly is crypto, and how does it work? This technology is more than just money.
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
