Scientists are coming to understand fat as a dynamic organ—one whose size may have more to do with biological processes than personal choices. Explore the mysteries of fat and its role in hormone production, hunger, and even pregnancy.
We can now edit the human genome with a tool called CRISPR. But how far should we go?
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Goddess, demon, house pet? What does science say about the human relationship with cats?
