THAT AUTUMN, A RESEARCH VESSEL called the Glomar Challenger sailed over the Mid-Atlantic Ridge to drill holes and sample sediment. Fossils within the sediment samples they retrieved gave scientists a ...

Free platform adds 500+ Spanish videos covering science, geography, history and more – joining 3,500 English educational videos for children LearningMole lets children discover the world in multiple ...

The SOF National Science Olympiad (NSO) is one of the most popular and challenging Olympiad exams for school students ...

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