Jessica in Omaha, Nebraska, was excited to discover an arrowhead, then puzzled when archaeologists told her that its age was probably between 6000-3000 BP. Why do some scientists measure time with the designation BP, or Before Present, instead of BC or BCE? It has to do with the advent of carbon dating techniques. This is part of a complete episode.
More from this show
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
If someone’s got melon, it means they’re smart. The expression most likely arose because of the resemblance between a melon and a human head. Several other foods are associated with having brains, including a cabbage, a gourd, and even a...