Bryan Johnson, the tech entrepreneur-turned-biohacker, is opening the doors to his “secret plan to kickstart our evolution from Homo Sapiens to Homo Evolutis”. The 46-year-old, who has spent the last ...

Bryan Johnson — the 46-year-old tech entrepreneur who founded the payments processing company Braintree — may be best known these days for his rigorous anti-aging program. As part of his quest for ...