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.

Immanuel Kant, who coined the term genius in the 1700s, defined it as the rare capacity to independently understand concepts that would normally have to be taught by another person. Since then, the spectrum of abilities that we call genius has widened, but pivotal questions remain: What exactly is genius?

Are current AIs merely regurgitation algorithms producing derivative output or can they yield novelty? Actor, filmmaker, and outspoken AI critic Justin Bateman and creative technologist Heidi Boisvert join Brian Greene …

Memory defines us. Memory is the basis of our sense of self. But how do the structures of the mind store memories? What changes do memories imprint on the brain? …

Nate Ball’s appetite for invention began with hovercrafts and Tesla coils and led to building his revolutionary ascender that uses a reliable motor to raise rescuers by a rope. These …

IBM’s Watson has the ability to make a diagnosis. Apps can track and monitor patient emergencies. Our phones may soon be our medical advisers. Preventive and diagnostic medicine is on the cusp of an AI revolution that will no doubt save lives.