Get smart curated videos delivered to your inbox every week.      
The Kid Should See This

How tall can a tree grow?

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?

transpiration capillary action root pressure
how leaves work
xylem phloem trees
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.

tksst gift guide

Get 7 smart videos delivered every week.