Devin Katayama

War, she wrote, became a dark, sinister background to his daily life. And even though he had tried to convince Tolstoy that science had the answers to everything, that now looked empty in the face of a world war. He'd always thought his purpose in life was to help people reach their death instinct, to live longer and live healthier until they felt ready to go.

War, she wrote, became a dark, sinister background to his daily life. And even though he had tried to convince Tolstoy that science had the answers to everything, that now looked empty in the face of a world war. He'd always thought his purpose in life was to help people reach their death instinct, to live longer and live healthier until they felt ready to go.

The idea that humans would willfully create so much death crushed him.

The idea that humans would willfully create so much death crushed him.

The idea that humans would willfully create so much death crushed him.

It's a secret to a good life.

It's a secret to a good life.

It's a secret to a good life.

This is Jay Oshansky, professor of public health at the University of Illinois at Chicago. He's one of the people today following in Eli Metchnikoff's footsteps.

This is Jay Oshansky, professor of public health at the University of Illinois at Chicago. He's one of the people today following in Eli Metchnikoff's footsteps.

This is Jay Oshansky, professor of public health at the University of Illinois at Chicago. He's one of the people today following in Eli Metchnikoff's footsteps.

Trying to figure out why people live as long as we do and how to make that last even longer. In the year 2000, a few years after Eli Metchnikoff would have turned 150, Jay made a bet.

Trying to figure out why people live as long as we do and how to make that last even longer. In the year 2000, a few years after Eli Metchnikoff would have turned 150, Jay made a bet.

Trying to figure out why people live as long as we do and how to make that last even longer. In the year 2000, a few years after Eli Metchnikoff would have turned 150, Jay made a bet.

Could science keep someone alive until they're 150 years old?

Could science keep someone alive until they're 150 years old?

Could science keep someone alive until they're 150 years old?

Muscle fibers, brain neurons, parts of our bodies that power on life and degrade as you age.

Muscle fibers, brain neurons, parts of our bodies that power on life and degrade as you age.

Muscle fibers, brain neurons, parts of our bodies that power on life and degrade as you age.