Animals
Dinosaurs are still alive. Today, we call them birds
Birds don’t look like the scaly giants of Jurassic World. But fossils are revealing how these modern-day dinosaurs descended from ancient reptiles.
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Chemistry
Scientists Say: Nucleosynthesis
For this nuclei-forging cosmic process, the Big Bang was just a way to get started.
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Earth
Analyze This: Smartphone data may help improve GPS
Data from millions of phones helped fill in maps of the ionosphere, an atmospheric layer that can muddle radio signals key for navigation systems.
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Animals
What is a dinosaur?
Scientists have named more than 1,000 species of nonavian dinosaurs. Their legacy lives on in the 11,000-plus bird species alive today.
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Measles
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Giant rat border agents could help put a stop to wildlife poaching
African giant pouched rats have been trained to ferret out elephant ivory, pangolin scales and more. They could be put to work preventing smuggling.