Health
On Your Birthday, You’re Not Celebrating What You Think
Scientists are trying to study biological aging without defining it, and that’s a problem.
Natural Selection in an Outbreak
Every time a disease spreads, it has another chance to mutate.
Alzheimer’s Early Tell
The language of authors who suffered from dementia has a story for the rest of us.
Hallucinogen Therapy Is Coming
How shrooms can spring people from fears and destructive habits.