“Did you know also those beats are not steady over your…” — Stuff You Should Know at 14:19
“Did you know also those beats are not steady over your lifetime, that it actually speeds up and then slows down the younger you are? I did. It looks like it maxes out at three months old at 140. That's after about 130 beats per minute as a newborn. Then it goes up to the 140. Then at six months, settles back to 130.…”
0:00
46:44