Meet Lucy, a 3.2 million-year-old ancestor of ours. Though she looks like an ape, her knees were close together, just like a human’s! That positioned her feet directly under her body and made walking easier.
See the final installment of Your Inner Fish tomorrow night (4/23) on PBS at 10/9c.
"Without light I am not only invisible, but formless as well; and to be unaware of one's form is to live a death. I myself, after existing some twenty years, did not become alive until I discovered my invisibility" -The Invisible Man