The word 'mortgage' comes from a French law term that means 'death pledge'.
14
Couples' personalities converge over time to make partners more and more similar.
235
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Parrot parents "name" their children with a signature call.
112
It is impossible to hum if your nose is plugged.
366