Why are some animals so slow?
Why are certain animals—like tortoises—so slow?
from Mental Floss
Key Facts In This Video
Leatherback Turtles, a species of sea turtle, can travel up to 22 miles per hour. (0:18)
A tortoise's shell is one of the main reasons for its slow speed. (1:16)
Moving slow helps tortoises from injuring themselves. (1:37)