In England you sometimes see these wavy brick fences. And curious as it may seem, this shape uses FEWER bricks than a straight wall. A straight wall needs at least two layers of bricks to make is sturdy, but the wavy wall is fine thanks to the arch support provided by the waves.3yr ⋅ WdrFgt ⋅ r/knowthings
Canada still has 91% of the forest cover that existed at the beginning of the European settlement.3yr ⋅ WdrFgt ⋅ r/knowthings
Dolphins love interactin with pregnant women because they communicate by ultrasound. Not only can they hear the mother's heartbeat , but they can also feel the baby's heartbeat. They find this fascinating.3yr ⋅ WdrFgt ⋅ r/knowthings
If you made 10,000 dollars everyday since the signing of the Declaration of Independence in August 2, 1776, you still wouldn’t wouldn’t have 1 billion dollars.3yr ⋅ WdrFgt ⋅ r/knowthings
Joe Biden's dog, Major , will be the first rescue dog to live in the White House.3yr ⋅ WdrFgt ⋅ r/knowthings
