The incredible journey of pregnancy: endurance, resilience, and unconditional love
“Pregnancy is the longest duration and highest energy expenditure that humans can experience. Mothers probably aren’t surprised by this.”
-Herman Pontzer
How fast you can run depends on why, for how long, and, more importantly, the drive that sets the purpose for why you are running in the first place. In all emergencies, trying to avoid becoming a tiger’s lunch does not take long: You either run as hard as ever to …