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image: Dinosaur Phylogenetic Tree Shake-Up

Dinosaur Phylogenetic Tree Shake-Up

By | March 24, 2017

An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.

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image: Scientists Discover First Fluorescent Frog

Scientists Discover First Fluorescent Frog

By | March 15, 2017

The polka dot tree frog (Hypsiboas punctatus) glows under a blacklight, due to the presence of three fluorescent molecules in its lymph tissue and skin. 

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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: Tune Into the Animal Kingdom

Tune Into the Animal Kingdom

By | March 1, 2017

A survey of sounds from birds to whales to fruit flies to fish

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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: Song Around the Animal Kingdom

Song Around the Animal Kingdom

By | March 1, 2017

Diverse species are said to sing, but music is in the ear of the beholder.

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image: Untangling the Social Webs in Frog Choruses

Untangling the Social Webs in Frog Choruses

By | March 1, 2017

Frogs and other anurans call to attract mates, and individuals must strive for their voices to be heard in the crowd.

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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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