Did Einstein have any choice in formulating the general theory of relativity? Brian Greene speaks with Claudia de Rham, professor of theoretical physics at Imperial College London and a pioneer …

Frank Wilczek, Nobel Laureate and Templeton Prize winner, has played a leading role in developing the most refined quantum mechanical understanding of the microworld and in proposing solutions to a …

Albert Einstein spent his last thirty years unsuccessfully searching for a ‘unified theory’ — a single master principle to describe everything in the universe, from tiny subatomic particles to immense clusters of galaxies. In the decades since, generations of researchers have continued working toward Einstein’s dream.

Is the human brain an elaborate organic computer? Since the time of the earliest electronic computers, some have imagined that with sufficiently robust memory, processing speed, and programming, a functioning human brain can be replicated in silicon.

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 …

Are there limits to the human lifespan? Is it possible to stop the process of aging? On average, humans now live far longer than at any point in our history …