Dolphins have names for one another.
18
Some British police cars carry a teddy bear to console children after an accident.
46
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10