Featured in physiology

Fruit fly for Hox gene and CRISPR research closeup on orange background
art illustration of person reaching for their toes
11 people are pictured running in a group on a rain-slicked road from the waist down. Most are wearing black shorts, the leader is wearing black, full length leggings. Their legs are muscular and their shoes are all bright colors like neon greens, blues, cherry red, and purple.
Surfing