What happens when predators disappear? A world without them might sound safer, but ecosystems could fall apart! In this fascinating MinuteEarth video, explore the concept of “trophic cascade”—the chain reaction that occurs when top predators vanish, unraveling entire ecosystems. Discover how these powerful animals keep nature in balance, and why their presence is crucial to the survival of many species.

Ever wonder how many Earths you could stuff inside Jupiter? Spoiler: It’s 1,321. That’s like trying to fit all your laundry into one load… but, you know, with planets. Watch as Youtuber “What If” squeezes Earth into the Solar System’s biggest planets. It’s cosmic Tetris at its finest!

[Via BIS]

Ever wondered what lurks beneath your feet? Kurzgesagt dives into the deep biosphere—a hidden, alien-like world miles beneath Earth’s surface. Down there, in crushing darkness, extreme heat, and toxic conditions, life thrives! From bizarre microbes to resilient multicellular beings, these organisms have adapted to survive in a deadly, oxygen-deprived hellscape. Their total biomass is more than 20 times greater than all humans, livestock, and wildlife combined! It’s a discovery that reshapes what we thought possible for life on Earth. Check out this mind-blowing journey into the planet within our planet!