science π¦ Dinosaurs' day was half an hour shorter
About 70 million years ago, a year reportedly had roughly 372 days, meaning each day was shorter than today's. This finding comes from studying the growth layers of a fossil clam found in the mountains of Oman. The research estimates this change occurred around the Cretaceous period, which was the age of dinosaurs. This indicates that Earth used to spin faster on its axis compared to the present day. Scientists believe the Moon's gravity is the main reason for Earth's rotation slowing over time. π¦