300 million years ago, Earth’s oxygen levels reached 35%, turning the planet into a supercharged world of giants.
Massive invertebrates like Arthropleura roamed the land, while Meganeura ruled the skies.
But when climate change caused oxygen to drop, the giants suffocated. In their place, small reptiles like Hylonomus survived thanks to a revolutionary adaptation the amniotic egg.
The age of monsters ended, and the path to modern life began.
In this video, we dive deep into nature’s wonders, from fascinating creatures to mysterious places you won’t believe exist. Whether it’s prehistoric legends or today’s untamed jungles, every story brings you closer to the beauty and power of the natural world.