Related Links
-
The Four-Winged Dinosaur
Surprising fossils from northeastern China spur a debate over how birds evolved.
-
Flowers Modern & Ancient
How does a 125 million-year-old angiosperm measure up to a lily of today?
-
A Brief History of Life
An overview of the history of life on Earth, from the earliest bacteria to the first modern humans
Close
You need the Flash Player plug-in to view this content.