› added 5 years ago

186

TIL about Piaget’s theory of development. He believed infants in the early stages of development lack object permanence (the understanding that people and things still exist even when you can’t see them). Which would explain why peekaboo is so intriguing for them!

Read more positive-parenting-ally.com

via reddit.com

DWRr TIL a platinum weight kept in a French vault that defines a perfect kg keeps experiencing minor fluctuations in mass. Now a perfect crystal sphere that took two years to polish and has a fixed number of atoms is being developed as the new standard
GAN4G TIL the sun takes 225m Earth years to make one full orbit around the centre of The Milky Way. This is called the galactic year.
Egwp TIL there is a small nation inside Australia called the Republic of Awesome, population of 30 people.
1alLV TIL that Alexander of Greece (Greece's 4th King) died aged 27 after a mob of monkeys attacked and bit him as he was trying to break a fight between one of the palace monkeys and his German Shepherd dog.
GAQ8E TIL that Cristiano Ronaldo was named after Ronald Reagan, as his father was a big fan of the president.