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.

Join a physicist, a neuroscientist, and a linguist as they explore the deep enigmas of time. Time feels like it flows, but does it? Time seems to have a built-in …

Imagine a job creating interactive games that help people learn and communicate better. Meet technologist Katherine Isbister who does just that. Episode filmed live at the 2013 World Science Festival …

Sexuality and gender play a profound role in shaping identity, but for much of human history how they are determined has remained obscure. How does sexual orientation develop? What is it? Can it be changed?

Renowned computer scientist and Coursera co-founder Daphne Koller joins Brian Greene to discuss her new venture in using machine learning for drug discovery and development. This program is part of …

The neutrino is among the cagiest of particles, a subatomic wisp so ephemeral it could pass through light years of lead with more ease than a hot knife through butter.