NASA on Instagram: "What's it like to float through the International Space Station? For more than 25 years—since Nov. 2, 2000—humans have been living and working on the @ISS. More than 290 people from 26 countries have visited the station; their work and scientific research is helping us learn how to live in space (and prepare for missions to the Moon and Mars) while making life better back on Earth. As we celebrate this milestone, we've released a new 15-minute tour of the station; follow alon

MEMEZAR • MEMES & MEME-CULTURE on Instagram: "This temporarily broke my brain 😭 Optical illusions trick the brain by presenting visual information in a way that conflicts with how the brain normally interprets reality. They exploit the brain’s shortcuts for processing shapes, colors, light, and depth, causing it to see things that aren’t actually there or perceive them differently from reality. For example, lines of the same length may appear unequal, or a still image may seem to move because t