They've endured the vacuum of space and all five of Earth's mass extinction events, but did you know that tardigrades could be incredibly useful for medical research? Here are five facts about these microscopic extremophiles. | National Geographic

What Really Killed the Dinosaurs? | Earth's Mass Extinction 🦣 #dinosaurs #dinosaurworld #extinction #earth #planetearth #naturepower #earthscience #science #sciencefacts #asteroid #asteroidimpact #space #SpaceFacts | Unsolved science

We are in the midst of Earth's sixth mass extinction event, and unlike past events triggered by asteroids or volcanoes, this one is driven almost entirely by human activity. Scientists estimate that up to 58,000 of species are vanishing every single year – a rate hundreds, or even thousands, of times higher than the natural background extinction rate. The impact of this rapid biodiversity loss on our environment is absolutely devastating. Every species, no matter how small, plays a role in the i