Scientists reveal how first cells could have formed on Earth

Roughly 4 billion years ago, Earth was developing conditions suitable for life. Origin-of-life scientists often wonder if the type of chemistry found on the early Earth was similar to what life requires today. They know that ...

How molecular 'handedness' emerged in early biology

Molecules often have a structural asymmetry called chirality, which means they can appear in alternative, mirror-image versions akin to the left and right versions of human hands. One of the great mysteries about the origins ...

Researcher proposes paradigm shift in enzyme biochemistry

Although you may never have heard of the cytochrome P450 superfamily of enzymes, these proteins play diverse and critical roles in humans through the metabolic processing of drugs, pesticides, fatty acids, fat-soluble vitamins, ...

New dyeing method could help jeans shrink toxic problem

Can the multi-billion-dollar denim industry keep producing blue jeans in every shape, size and silhouette, while shrinking oversized levels of hazardous pollution? Research published Tuesday suggests a new dye could be a ...

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