Reaching heights of over 100 meters, Californian sequoias tower over Earth’s other 60,000 tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than 130 meters. So what exactly is stopping these trees from growing taller, forever?
This TED-Ed tree primer by Valentin Hammoudi, directed by Doug Alberts, investigates the science with smart and adorable animated graphics: How tall can a tree grow?
Watch these videos next: Climbing & Measuring Redwood Giants, Travel deep inside a redwood tree leaf and How Do Trees Transport Water from Roots to Leaves?
And don’t miss The Wood Wide Web: How trees secretly talk to and share with each other.
This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.
Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.