Fossils from 465 million years ago recently discovered in Portugal have revealed the huge size reached by trilobites, the most diverse group of extinct marine arthropods. Geologists describe the ...
The Earth has gone through many major events over the course of hundreds of millions of years. Some of the most significant are the six mass extinction events that have occurred. These are times when ...
The length of time necessary to recover from a mass extinction may seem like a problem from the past, but a team of Penn State researchers is investigating recovery from the second largest extinction ...
Over half a billion years ago, during the Cambrian geological period, life on Earth started to get a lot more interesting. Thanks to the rise in free oxygen generated mostly by photosynthesizing algae ...
This is a preview. Log in through your library . Abstract Two models have been proposed to address the early Paleozoic tectonic evolution of Cathaysia in South China: the intracontinental model and ...
Set in Portobelo National Park, a UNESCO World Heritage site, the resort offers exceptional scuba diving, rainforest hikes, and abundant wildlife. The resort’s own farm provides many of the ...
Set in Portobelo National Park, a UNESCO World Heritage site, the resort offers exceptional scuba diving, rainforest hikes, and abundant wildlife. The resort’s own farm provides many of the ...
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