As humans, we’re quite accustomed to our weird vertical spines and precarious two-legged gait. But habitual bipedalism is far from the norm. When did it first occur on planet Earth? Will the robotic future walk on two legs? And can we reasonably expect alien lifeforms to follow suit? Robert Lamb and Joe McCormick explore in this episode of Stuff to Blow Your Mind.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices
