Health
These Clumps of Undigested Food Used to Be Medicinal Charms
Folks got it into their heads that bezoars were a powerful antidote against any poison.
This Is Life at 400
Ballooning life expectancies are upending age-old definitions of life stages.
The Immortality Hype
Despite the hyperbole, private funding is changing the science of aging for the better.
The Man Who Blamed Aging on His Intestines
The productive, bizarre career of Nobel laureate and early aging researcher Elie Metchnikoff.
