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Evolution

RNA
Image: RNA, via Illustra Media’s documentary Origin.

Origin of the First Self-Replicating Molecules

For some theorists, the origin of life is defined as the natural origin of a self-replicating system capable of undergoing Darwinian evolution. Read More ›
young Darwin statue
young Darwin statue
Statue of a young Charles Darwin, Shrewsbury School, by Ailurus~frwiki / CC BY-SA (https://creativecommons.org/licenses/by-sa/4.0).

Listen: Darwin Returns from the Future

Nickell John Romjue’s time-traveling Darwin returns to his family home and offers some final reflections on his eye-opening visit to the 21st century. Read More ›
plasma membrane
Photo: Plasma membrane, by Krishna satya 333, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

The “Clumping” Problem and the Origin of Life

In the 1970s, biochemist Sidney Fox and colleagues believed they had uncovered primitive cell membrane-like structures called protenoid microspheres. Read More ›
hydrothermal vents
Photo: Hydrothermal vents, by NOAA, Public domain, via Wikimedia Commons.

Forming Polymers: A Problem for the Origin of Life

Assume for a moment that there was some way to produce simple organic molecules on the early Earth. Read More ›
primordial soup
Image credit: anokarina, CC BY-SA 2.0 <https://creativecommons.org/licenses/by-sa/2.0>, via Wikimedia Commons.

A Mystery: Prebiotic Synthesis of Simple Organic Monomers

In 2010, University College London biochemist Nick Lane stated the primordial soup theory “doesn’t hold water” and is “past its expiration date.” Read More ›
fern
Photo credit: Clyde Gravenberch via Unsplash.

Gene Sharing Is More Widespread than Thought, with Implications for Darwinism

Evidence is growing that organisms share existing genetic information horizontally, not just vertically. Read More ›
Louis Pasteur
Image: Louis Pasteur, by Sanjai B R 1840722, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons.

All Living Systems Must Process Energy, Store and Utilize Information, and Replicate

Louis Pasteur showed that what appeared to be life springing forth from nonliving matter was actually life emerging from exceedingly small living organisms. Read More ›
grass lawn
Photo credit: © Walter Bradley.

Did Life First Arise by Purely Natural Means?

Evolutionary theory and the development of the second law of thermodynamics are two of the three major scientific discoveries of the 19th century. Read More ›
cafe-darwin-jannik-2400x1672
Photo credit: Jannik - JWDShots on Unsplash.

If Darwin Visited the 21st Century

Charles Darwin learns about DNA and the other discoveries of molecular biology that have occurred since he developed his theory. Read More ›
RuvAB
Image source: Deutsches Elektronen-Synchrotron DESY (screen shot).

RuvAB: Another Elegant Molecular Motor Visualized

This machine looks like something out of a CAD/CAM project, but it’s found in bacteria. Read More ›

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