How do you conserve an ancient wedge of giant ... after the tree was felled in California. After more than a century on public display as part of the Museum's botany collections, it needed cleaning ...
The giant sequoia is a snow tree, Sillett says ... but not for giant sequoias (or other tall species, including coast redwoods). Sillett and his team have disproved it by doing something that ...
Somewhere between 359 and 385 million years ago, our world witnessed the birth of the first tree: Archaeopteris (not to be confused with the similarly-named Archaeopteryx, a feathered bird-like ...