Famed neurologist Oliver Sacks joined award-winning journalist John Hockenberry to discuss Sacks’ latest book, which explores the bewitching and surreal world of hallucinations.

Synthetic blood mass-produced to meet supply shortages. Livers and kidneys “bioprinted” on demand. Missing fingers and toes re-grown with a jolt of bioelectricity. Regenerative medicine promises to do more than …

For millennia, psychedelic substances have been used as sacraments, medicines, and tools to shift consciousness and expand the mind. Why have these compounds captivated humans for so long and how …

Our age is marked by the proliferation of information, and yet we can’t agree. Science is supposed to be neutral, and yet it has generated some of the deepest societal …

When listing clean renewable energy sources, solar, wind, and geothermal come to mind. But thanks to new reactor technologies, there’s a transformation afoot.

Extra dimensions of space — the idea that we are immersed in hyperspace — may be key to explaining the fundamental nature of the universe. Relativity introduced time as the fourth dimension, and Einstein’s subsequent work envisioned more dimensions still — but ultimately hit a dead end.