Hacker News new | ask | show | jobs
Many books aren’t fact-checked, and we’re realizing they’re full of errors (vox.com)
14 points by vkb 2564 days ago
2 comments

One of my senior professors used to say that during his school days, in one of their text books, it was mentioned that animals move their upper jaw when chewing food.
I suppose it just depends on your frame of reference.