Stunning surveillance video shows a Pennsylvania woman narrowly escaped death when a giant tree suddenly fell and absolutely destroyed her car — with her in it. The clip — from a surveillance ...

That is, this tree is so big you can scarcely ... Then they fed the numbers through mathematical models informed by additional data from other giant sequoias. That’s how they came to know ...

How do you conserve an ancient wedge of giant tree ... Once the segment was ready to go back on display, a new timeline showing the age of the tree was created to sit alongside it. In its 1,300 years ...

This story appears in the September 2016 issue of National Geographic magazine. In 1915 Paul Popenoe gave 26 photos of giant trees to National Geographic. One of them was this shot mailed from San ...