How long did the Ordovician period last?Question:How long did the Ordovician period last?Answer and Explanation: The Ordovician period is one of the divisions of Paleozoic Era, which is one of the major divisions of the geologic history of the Earth. The word...Become...
How long was the Cretaceous-Teritary mass extinction? What was the climate like during the Mesozoic era? How high did temperatures become during the Permian extinction? What was the climate like during the Paleozoic era? What was the climate in the Jurassic period? What is the Devonian period...
The making of Gondwana was a long process, most likely through three major mountain building events driven by the movement of Earth's tectonic plates. "During the interval from about 650 to 550 million years ago, various pieces of Africa and South America collided along an ancient mountain chai...
The evolution of flight in dinosaurs was a complex and multifaceted process that took millions of years. It involved significant anatomical changes and behavioral adaptations, driven by natural selection. From the initial development of feathers for insulation and display to the sophisticated flight mecha...
The absence of quill barbs doesn't prove that an animal was featherless, and feathers decompose long before bone turns fossil. However, fossils discovered in China have feather impressions in the surrounding rocks. All this evidence suggests that, in terms of appearance, dinosaurs had some avian ...
These ancient trees persisted for nearly 200 million years until they all but vanished. Now they line city streets.
From massive, long-necked sauropods to swift and cunning predators like Tyrannosaurus rex, each one sparks our imaginations and deepens our understanding of the incredible creatures that once ruled the prehistoric world. But how did they get so big? And what was their demise? In this article, ...
Martin is taking a long time to finish The Winds of Winter, the sixth book in his A Song of Ice and Fire series. The last book in the series, A Dance With Dragons, came out back in 2011. Many reasons have been proffered for why it's taking so long, but for fans, the why may...
Early pterosaurs — informally called "pterodactyls"— had long tails with thin, leaf-shaped flaps of tissue on the end called vanes. This vane would have compromised their flight if it were floppy and fluttered like a flag, so paleontologists knew it was stiff, but they didn...
The surprisingly long history of electric cars 05:03 The science of preserving sight 14:21 The science of extreme weather — and how to reduce the harm 06:00 The rise of predatory scams — and how to prevent them 13:57 The problem of vaccine spoilage and a smart sensor to help ...