Health
The Paradox of Doping in Mountain Climbing
In alpinism, supplemental oxygen is a matter of safety—but some say it’s doping.
The Case For Leaving City Rats Alone
A Vancouver rat study is showing us how pest control can backfire.
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.