Top 10 Mind-Blowers: Babies and Toddlers

All Babies Are Unfinished

As we just discussed, humanity's evolutionary ascension from quadruped to biped caused some problems. Heck, we can thank the stupid vertical misuse of our horizontal spines for everything from back pain to hemorrhoids. But it also made our birth canals smaller, requiring moms to push out the goods ahead of schedule.

Comparative biologists believe that human infants would stay in the womb longer if the escape path wasn't so narrow. This is why you'll often hear an infant's first three months of life referred to as "the fourth trimester." By all rights the little half-baked goblin should still be inside the womb, but we just had to start walking upright.

About the Author: Robert Lamb spent his childhood reading books and staring into the woods — first in Newfoundland, Canada and then in rural Tennessee. There was also a long stretch in which he was terrified of alien abduction. He earned a degree in creative writing. He taught high school and then attended journalism school. He wrote for the smallest of small-town newspapers before finally becoming a full-time science writer and podcaster. He’s currently a senior writer at HowStuffWorks and has co-hosted the science podcast Stuff to Blow Your Mind since its inception in 2010. In his spare time, he enjoys traveling with his wife Bonnie, discussing dinosaurs with his son Bastian and crafting the occasional work of fiction.