A puppy is born blind, deaf, and toothless.
16
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Baby rabbits are called kittens.
6
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10