How the pelvis, and not bipedalism, gave humans their narrow hips
The anatomy of our pelvis is a result of an evolutionary trade-off, but perhaps it's not the one we thought
.jpg?auto=format&fit=max&w=3840 "A T. rex skeleton at the Royal Ontario Museum.")
T. rex walked as slowly as a human, and may have used its tail as a suspension system
In prehistoric times, you could have strolled down the street and chatted with your friendly neighborhood T. rex without even breaking a sweat
Your morning walk, no matter how far, can help you live longer
Science says it's okay if you only get 15 minutes of exercise per day (but the more the better)