Hannah Cairo found herself stuck on a problem that wouldn’t leave her mind. It wasn’t a regular homework assignment—it was a decades-old mathematical puzzle believed to be true by leading experts in ...

His inspiration for "The Afterlife Project" came in conversation with an astrophysicist who calculated a plausible path for time travel.

There are two strands; the algorithms of what matters spiritually; these can form the bedrock on which a life is bui ...