History Photographed on Instagram: "This is the phenomenon of astronauts temporarily having difficulty readjusting to Earth's gravity after spending time in space.⁠ ⁠ This condition, which is called orthostatic intolerance, is a condition where the bodies struggle to adjust to Earth’s gravity in an upright position. ⁠ ⁠ In space, their bodies adapt to microgravity, which weakens leg muscles and causes cardiovascular changes. ⁠ ⁠ Back on Earth, standing up can lead to a sudden drop in blood press

Explaining The Universe on Instagram: "Follow (us) @ExplainingTheUniverse to learn something NEW every day 🧠💫 The Dead Sea is a unique salt lake located at the border of Jordan and Israel, famous for being one of the saltiest bodies of water on Earth. It sits in the Jordan Rift Valley, more than 400 meters (1,300 feet) below sea level, making it the lowest exposed point on land. Its salinity is about 10 times higher than typical ocean water, which makes it impossible for most organisms to surv

Explaining The Universe on Instagram: "Follow (us) @ExplainingTheUniverse to learn something NEW every day 🧠💫 A dam is a barrier built across a river or stream to control the flow of water. By holding back water, dams create reservoirs that can be used for drinking water, irrigation, hydroelectric power generation, flood control, and recreation. There are several types—such as gravity dams (which rely on their weight to resist water pressure), arch dams (curved, transferring force into the val

Ray Dalio on Instagram: "Don’t fight your nature. You were born with a certain nature, and your environment has shaped it. The most important thing you can do is understand it, and then build your life around those strengths and weaknesses. Find the lifestyle, career, and path that makes sense given what you’re like. The secret to a successful life isn’t to force yourself into a different mold — it’s to understand your own nature and find the path that allows you to live it out fully. @thediaryo