Temperatures around the nation have been unusually warm this spring. While it might be time to lie on a blanket in the park, climate scientists are worried. They say all these sunny days are actually an extreme weather event, one with local and global implications.
Known by its nickname "beautiful feathered tyrant," Yutyrannus huali is a cousin of T. rex, 30 feet long and about 3,000 pounds. It had no trouble tearing its prey to pieces, but the dinosaur was also a snappy dresser — it was covered in downy feathers.
The early spring has been great for recreation and those with cabin-fever, but it's been a headache for farmers and other growers. In Wisconsin, orchard and vineyard owners have trees and vines in early bloom, but are now up at night battling frost.
The first Homo sapiens appeared on the planet some 200,000 years ago. But even though they looked fully human, they didn't act fully human until they began creating symbolic art, some 100,000 years later. Paleoanthropologist Ian Tattersall discusses those human origins in his book Masters of the Planet.
Did you know Mayor Michael Bloomberg has an engineering degree and built a ham radio as a child? The mayor talks about his passion for science and how it shapes the way he thinks. He also discusses plans for an applied sciences campus in New York and potential spin-offs from the project.
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