Why Giant Animals Can't Rule the Earth Forever ?

Sixty million years ago a snake longer than a city bus moved through the swamps of Colombia. Dragonflies were as wide as hawks, millipedes longer than a car, and a shark could swallow a cow whole. So why are there no giants like that today? In this documentary we follow the physics and chemistry that every giant has to pay for: the heat that made Titanoboa possible, Galileo's square-cube law, the air-filled bones of 70-ton sauropods, elephants that use their ears as radiators, the oxygen-rich air of the Carboniferous, the food and fragile populations of big animals, the asteroid and the ice age that wiped out the giants — and why, against all odds, we live alongside the largest animal that has ever existed: the blue whale. ⏱️ CHAPTERS00:00 A snake longer than a bus01:06 Titanoboa: a giant made by heat02:33 The limit: Galileo's square-cube law04:03 Sauropods: how 70-ton dinosaurs cheated04:57 Heat: cooking from the inside06:10 Oxygen: when insects were giants07:43 Food: the hidden cost of being big09:02 When the world changes, giants fall first10:08 Megalodon10:44 The twist: the blue whale11:57 Why giants can't rule forever 📚 IMAGE & FOOTAGE CREDITS• Wikimedia Commons: Titanoboa vertebrae (CC0 / CC BY-SA 4.0) · Titanoboa & Argentinosaurus illustrations by Nobu Tamura (CC BY 3.0) · Cerrejón mine (CC BY-SA 3.0) · Galileo portrait by Justus Sustermans and Galileo's "Two New Sciences" (1638) · Argentinosaurus skeleton and femur (GFDL, CC BY 2.0) · sauropod skeletons, Lee Kong Chian Natural History Museum (CC BY-SA 4.0) · Charles R. Knight paintings (public domain) · Arthropleura reconstruction and fossil (CC BY 4.0) · Meganeura, Muséum de Toulouse and Milwaukee Public Museum (CC BY-SA 4.0) · Megatherium and Glyptodon models (CC0) · megalodon jaw reconstructions (CC0, CC BY 2.0) · Chicxulub impact by Donald E. Davis / NASA (public domain) · African elephant photos (CC BY-SA 4.0) · blue whale and krill (NOAA, public domain) · great white shark (CC BY 2.0)• Footage: NOAA Ocean Exploration (public domain) · Pixabay (wildlife, rainforest, ice and ocean stock footage) 🎵 MUSIC (Pixabay Content License)Epic Trailer — The_Mountain · Lost Abyss Soundtrack — MiguelBono · IntoTheAbyss — WelbornWorks · Abyssal Echoes — Fopihe · Before the Sun — Music_for_Creators #titanoboa #megalodon #dinosaurs #evolution #prehistoric #science #documentary