Branching Out section 3 Through time and across continents

Through time and across continents

and heal an entire hospital waiting room full of patients

but instead he's traveling through Ancient Egypt and rubbing shoulders with Ben Franklin

and it works

Branching Out section 3 Through time and across continentsTrees have been around for nearly 400 million years, and today about 25,000 species of trees have been identified. We've relied on trees for everything from fuel, food, and medicine to building railways. Today, trees still touch our lives in countless ways. But what do we really know about them? Branching Out takes an in depth look at these incredible plants, introducing the basics of tree biology and profiling 11 different trees from around the