Venki Ramakrishnan cycles at least six miles a day.
Kate Joyce, Santa Fe Institute
- Venki Ramakrishnan is a Nobel laureate and author of "Why We Die."
- He thinks there's excessive hype around longevity, but there have been some breakthroughs.
- Ramakrishnan, 72, leads an active life and cooks from scratch.
Venki Ramakrishnan, a Nobel laureate and former president of the world's oldest scientific academy, the Royal Society, has been watching as aging science and the hype around it has exploded.