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Charles Davis

Herbaria awarded $4.7 million to mobilize digital collections of Asian plant biodiversity

September 15, 2021

Charles Davis, OEB Professor and Curator of Vascular Plants at Harvard University Herbaria, has been awarded $4.7 million from the National Science Foundation’s Advancing Digitization of Biodiversity Collections Grant for his team’s collaborative project "Bringing Asia to digital life: mobilizing underrepresented Asian herbarium collections in the US to propel biodiversity discovery.”

Asia is the largest continent on Earth, and includes the world’s tallest mountains, lowest...

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Freshly deposited bowfin eggs attached to nest material. Male bowfin build nests in which females lay eggs. After the male fertilizes the eggs, it will remain with the nest to guard the young. Credit: Brent Hawkins

Bowfin genome reveals old dogfish can teach researchers new tricks

August 30, 2021

The fish species Amia calva goes by many names including bowfin, freshwater dogfish, grinnel, and mud pike. No matter what you call it, this species is an evolutionary enigma because it embodies a unique combination of ancestral and advanced fish features.

In a paper published August 30 in Nature Genetics an international and collaborative team of researchers, headed by Ingo Braasch and Andrew Thompson of...

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LIFE RECONSTRUCTION OF TAYTALURA. Original artwork by scientific illustrator Jorge Blanco

The Dawn of Modern Reptiles

August 26, 2021

Lizards and snakes are a key component of most terrestrial ecosystems on earth today. Along with the charismatic tuatara of New Zealand (a “living fossil” represented by a single living species), squamates (all lizards and snakes) make up the Lepidosauria—the largest group of terrestrial vertebrates in the planet today with approximately 11,000 species, and by far the largest modern group of reptiles. Both squamates and tuataras have an extremely long evolutionary history. Their lineages are older than dinosaurs having originated and diverged from each other at some point around 260...

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Late Devonian early tetrapods. Original artwork by scientific illustrator Davide Bonadonna

Sustained fast rates of evolution explain how tetrapods evolved from fish

August 23, 2021

One of the biggest questions in evolution is when and how major groups of animals first evolved. The rise of tetrapods (all limbed vertebrates) from their fish relatives marks one of the most important evolutionary events in the history of life. This “fish-to-tetrapod” transition took place somewhere between the Middle and Late Devonian (~400-360 million years ago) and represents the onset of a major environmental shift, when vertebrates first walked onto land. Yet, some of the most fundamental questions regarding the dynamics of this transition have remained unresolved for decades....

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