- Breastfeeding allows a baby to give germs to mothers so that her immune system can respond and can synthesise antibodies for her baby.
- Handshakes were originally meant to make sure that the person you were meeting wasn’t carrying a concealed weapon. The hand clasp proved that your hand was empty and shaking was meant to dislodge any weapons hiding up the sleeve.
- A small amount of stress helps you to remember things better but a large amount may hinder your memory.
- Eating a teaspoon of sugar after having something spicy, can help neutralize the burning sensation.
- The king of hearts is the only king in the standard deck of cards, without a mustache.
- It can take a photon 40,000 years to travel from the core of the sun to the surface, but only 8 minutes to travel the rest of the way to earth.
- A crocodile cannot move its tongue.
- Cats have 2 sets of vocal cords: one for purring and one for meowing.
- The infinity sign is called a lemniscate.
- Dragonflies capture their prey 95% of the time, making them one of the most efficient predators in nature.
Courtesy of factsd.com