Yet modern biology has revealed that cells are preternaturally sophisticated assemblages — literally automated, miniaturized factories. How could the evidence have been overwhelming but now orthodoxy ...

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Chris Impey receives funding from the National Science Foundation and the Howard Hughes Medical Institute. We have only one example of biology forming in the universe – life on Earth. But what if life ...

For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable result of a series of unlikely evolutionary leaps. But new research by ...

We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like ...

Add Yahoo as a preferred source to see more of our stories on Google. A STAR resides near the edge of a supernova remnant 15,000 light-years from Earth, that cycles in radio wave intensity every 44 ...

Paleontologists who study earth’s ancient fossil record might not seem to be the obvious choice when asking about the prevalence of intelligent life in the cosmos. But paleontology, the study of ...

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 ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...