X
Comments to #11
All comments (1)
5
1.
Harmless 4 year s ago
The expression "rare as a hen's tooth" comes from the fact that chicks in the egg have what is known as an "egg tooth" on their beak which helps them break out of the shell. They lose it almost immediately after hatching. Hence the expression.
MISCONCEPTION: HENS DON’T HAVE TEETH
Around 70-80 million years ago, birds had teeth but they disappeared throughout evolution. But, the genes are still there, so scientists can make adjustments and reintroduce the teeth. Dear god.
