Dating dinosaur eggs has always been tricky because traditional methods rely on surrounding rocks or minerals that may have shifted over time. Now, for the first time, scientists have directly dated dinosaur eggs by firing lasers at tiny eggshell fragments. The technique revealed that fossils in central China are about 85 million years old, placing them in the late Cretaceous period. This breakthrough not only sharpens our timeline of dinosaur history but also offers fresh clues about ancient populations and the climate they lived in.
source https://www.sciencedaily.com/releases/2025/09/250911073141.htm
Superheated sediments in a submarine pressure cooker—an unexpected source
of deep-sea hydrogen
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The mid-ocean ridge runs through the oceans like a suture. Where Earth's
plates move apart, new oceanic crust is continuously formed. This is often
accompa...
5 hours ago
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