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image: Pathway to Polio Virulence Revealed

Pathway to Polio Virulence Revealed

By | March 23, 2017

Using epidemiological and laboratory data, scientists have mapped out a sequence of mutations through which the attenuated oral polio vaccine reverts to a virulent virus.

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image: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

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image: Sharks May Have Evolved from Acanthodians

Sharks May Have Evolved from Acanthodians

By | March 14, 2017

Analysis of an ancient shark fossil provides the strongest evidence to date that modern sharks derive from a class of 400 million–year-old bony fish.

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“Buena vista” hypothesis suggests that changes in the sizes of eyes, rather than a shift from fins to limbs, led fish to transition to land more than 300 million years ago.  

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image: Newton’s Color Theory, ca. 1665

Newton’s Color Theory, ca. 1665

By | March 1, 2017

Newton’s rainbow forms the familiar ROYGBIV because he thought the range of visible colors should be analogous to the seven-note musical scale.

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image: Understanding the Roots of Human Musicality

Understanding the Roots of Human Musicality

By | March 1, 2017

Researchers are using multiple methods to study the origins of humans’ capacity to process and produce music, and there’s no shortage of debate about the results.

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image: Exploring the Mechanisms of Music Therapy

Exploring the Mechanisms of Music Therapy

By | March 1, 2017

The principles of neuroplasticity may underlie the positive effects of music therapy in treating a diversity of diseases.

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image: Ancient Marine Reptile Birthed Live Young

Ancient Marine Reptile Birthed Live Young

By | February 15, 2017

Researchers have described a pregnant Dinochephalosaurus, and the fossilized remains suggest that the massive animal did not lay eggs, as previously suspected.

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Speciation and development of new traits may not always go hand-in-hand.

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image: Science Teaching Standards up for Revision in Texas

Science Teaching Standards up for Revision in Texas

By | February 9, 2017

Despite a committee of educators recommending the removal of language challenging evolution in science curricula, state education board members vote to reintroduce controversial concepts. 

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