Billionaire

Billionaires are backing top scientists racing to develop tech that could reverse aging. Cellular reprogramming promises to rejuvenate the body — but how does it work, and is it safe?

Millions have already been raised for the 2024 presidential race between Kamala Harris and Donald Trump. But where does that money come from? Here's how the ultrarich can sway an election.

Every year, Bill Gates — and, until she left, Melinda French Gates — would hold multiple meetings with executives of the Gates Foundation to approve plans and budgets, and review strategies.