The visual systems of an obscure group of mollusks provide a rare natural example of path-dependent evolution, in which a critical fork in the creatures’ past determined their evolutionary futures.

The field of evolution examines how organisms adapt to their environments over generations, but what about the evolution of evolution itself? Researchers have long questioned why biological ...

What will the Earth look like thousands of years from now? Will humans be around to see it? In this hour, we'll talk with geologist and author Peter Ward and artist Alexis Rockman. Their new book ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...