What are the eight limbs of yoga?
Patanjali described yoga as an eight-part path, called ashtanga or the "eight limbs." It includes ethics, physical postures, breath control, and meditation.
What are the yamas?
The yamas are the five ethical principles that begin Patanjali's path, including ahimsa, or nonviolence.
What happened to He Jiankui?
Chinese scientist He Jiankui was imprisoned after creating gene-edited babies in 2018.