Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Bats sleep 18-20 hours per day.
5
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
You forget 90% of your dreams.
256
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165