HF Sinclair Corporation operates as an independent energy company in the United States. It operates through five segments: Refining, Renewables, Marketing, Lubricants and Specialties, and Midstream.

The tail of a 99-million-year-old dinosaur, including bones, soft tissue, and even feathers, has been found preserved in amber, according to a report published today in the journal Current Biology.

Would a T.rex catch a Triceratops? What did a Stegosaurus eat? Where did the Yi find its food? How do we know what dinosaurs looked like? Make predictions, use scientific equipment and perform ...

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