News
- Earth
Ancient zircons may record the dawn of plate tectonics
A change in gemstone composition starting about 3.8 billion years ago may offer the earliest record of one tectonic plate sliding over another.
- Paleontology
Pterosaurs may have had brightly colored feathers on their heads
The fossil skull of a flying reptile hints that feathers originated about 100 million years earlier than scientists thought.
- Animals
Dog breed is a surprisingly poor predictor of individual behavior
Despite the popular conviction that dog breeds are associated with specific traits, breed accounts for only 9 percent of behavioral differences.
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