Twins can't read each other's minds. They can't feel each other's pain. But they might have greater longevity.
It's true that few people get to celebrate their 100th birthday party. It turns out genetics plays a big role.
It may come as a shock to you, but trees and other plants are commonly infected by what's known as "mycorrhizal fungi".
A century ago, the average life-span for Americans was about 50 years. Today, the typical American lives to be about seventy-eight. What changed?
Lot's of people want to live longer. Find out the key to longevity on this Moment of Science.