The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Linen can absorb up to 20 times its weight in moisture before it feels damp!
46
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
Couples' personalities converge over time to make partners more and more similar.
235
Most lipstick contains fish scales!
46