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Hot Topic Origins Origin & Evolution of Life
A New Theory of Early Animal Evolution
Topic: Origin & Evolution of Life
Summary: A new concept is challenging one of the basic assumptions of the theory of evolution - that survival is based on a change's functional advantage if it is to persist.

What the Water Monster Can Teach Us About Human Regeneration
Topic: Origin & Evolution of Life
Summary: New research on a lizard-like amphibian highlights how difficult it would be for humans to regenerate a limb or organ.

The Probability of Panspermia
Topic: Origin & Evolution of Life
Summary: New research supports the idea that microorganisms embedded in the fragments of distant planets may have traveled to the early Earth and seeded our planet with life.

A Hidden Symbiosis
Topic: Origin & Evolution of Life
Summary: Scientists have discovered an unusual symbiosis between tiny single-celled algae and highly specialized bacteria in the ocean.

Organics on Ice
Topic: Origin & Evolution of Life
Summary: In order to understand how life began on Earth, researchers are creating concoctions of organics on ice and zapping them with lasers. The study provides the first look at organic chemistry on icy particles in the frigid reaches of our solar system.

A Die-Off Before the Dinos
Topic: Origin & Evolution of Life
Summary: Sixty-five million years ago, a mass extinction on Earth wiped out the dinosaurs. New research now indicates that a separate extinction event occurred shortly before that, triggered by volcanic eruptions that warmed the planet.

Giant Viruses Shake Up Tree of LIfe
Topic: Origin & Evolution of Life
Summary: A new study of giant viruses supports the idea that viruses are ancient living organisms. The study could have important implications in our understanding of the origin and evolution of life on Earth.

Newer Isn't Necessarily Better
Topic: Origin & Evolution of Life
Summary: A new study shows how tiny sea creatures called rhabdopleurids have survived for more than 500 million years and outlasted more elaborate species that descended from a common ancestor.

Dinosaur Tracks at NASA's Goddard Space Flight Center
Topic: Origin & Evolution of Life
Summary: A paleontologist has confirmed that two nodosaurs walked through the campus of NASA's Goddard Space Flight Center in Greenbelt, Maryland. They left their prints sometime between 110 and 112 million years ago.

Life's First Taste of Phosphorus
Topic: Origin & Evolution of Life
Summary: Phosphorus is vital to life on Earth, even though our planet doesn't provide life very much phosphorus to work with. Scientists are now studying how phosphorus biochemistry may have originated at the dawn of life.

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