An illustration of Late Devonian animals swimming in the water. About 350 million years ago, long before the dinosaurs stalked the planet, a gigantic fish with deadly fangs hunted river waters on the ...
Ottawa, August 5, 2020 - Zebrafish are a common aquarium species, of value to hobbyists and scientists alike. Researchers have now engineered an unusual change in them that has echoes of Jurassic Park ...
A 10-foot-long, torpedo-shaped fish lurks through murky freshwater, its body casting a shadow on the creatures below. The opened mouth reveals dagger-like fangs, some two inches long, perfect for ...
The first African fossils of Devonian tetrapods (four-legged vertebrates) show these pioneers of land living within the Antarctic circle, 360 million years ago. The first African fossils of Devonian ...
NOVA: What exactly is a tetrapod? Clack: A tetrapod is an animal with four legs—you, me—or an animal whose ancestors had four legs. So I can talk about a frog, which jumps; a bird, which flies; a ...
A long, long time ago — between 378 million and 375 million years ago — about half of all species on the planet vanished. The trigger for this mass extinction, one of five known in Earth's history, ...
Q: What do we know about the environment in which the transition to land occurred? NS: Back in the Devonian, north central Pennsylvania was very different from today, where you now find a river valley ...
Cameron Penn-Clarke receives funding from the South African Department of Science and Technology-National Research Foundation Centre of Excellence in Palaeosciences (DST-NRF CoE in Palaeosciences), ...
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world wars. But how would we fare even further ...
Have you ever watched a chipmunk skitter across your path, and wondered what used to live in your yard 15,000 years ago? A million years ago? Or 400 million years ago, for that matter? Wonder no more.