During the Late Cretaceous, days were roughly 30 minutes shorter than they are today, according to chemical traces found on a 70-million-year-old shell belonging to an extinct mollusk. Like counting ...
Another Late Cretaceous day ends as an Albertosaurus walks by a suspicious Sauropelta. Chemical traces found in the shell of a marine bivalve suggest that Earth turned faster around its own axis some ...
If you have ever wanted extra hours in the day, then take heart: A prehistoric mollusk reveals how dinosaurs lived 70 million years ago — 23.5 hours a day, 372 days a year — and how much longer days ...
When dinosaurs still left fresh footprints on the mud, our planet twirled around faster than it does today. Chronicled in the rings of an ancient timekeeper is a story of days half an hour shorter and ...
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Ancient fossils show how the last mass extinction forever scrambled the ocean’s biodiversity
About 66 million years ago – perhaps on a downright unlucky day in May – an asteroid smashed into our planet. The fallout was immediate and severe. Evidence shows that about 70% of species went ...
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