Tigers can see 6 times better at night than humans.
305
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A dairy cow can produce more milk when listening to music.
446
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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
One in five long-term love relationships began with one or both partners being involved with others.
177
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130