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rex was built for distance, not speed Tyrannosaurus rex, one of the most feared predators in the Age of Dinosaurs, may have been built for endurance, not speed. A paper published Wednesday takes recent research on how mammals move and applies it to dinosaurs. Its conclusions support theories that the massive meat-eaters hunted in packs and opens a window into the ecology of the ancient forests they roamed. “We’re trying to figure out how much energy is going into and flowing through paleo ecosystems,” said Hans Larsson of Montreal’s McGill University, one of the paper’s co-authors. “If we can’t get...

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Whatever your reasons for using Telegram, it’s a solid messaging app. It makes for a great alternative to WhatsApp and SMS messaging, and if you can persuade your friends to join, Telegram is well worth using. However, if you haven’t moved beyond the basics, you’re missing out on a lot of the best Telegram features. So in the article we details some lesser-known features of Telegram that you may have overlooked until now. 1. Use More Than One Phone Number Have you ever needed to change your phone number but worried about transferring all of your contacts and other information...

(Jeff Abbott is a regular contributor at The Pen Addict. You can find more from Jeff online at Draft Evolution and Twitter.) Mechanical pencils aren't my main niche, but I do appreciate them and always jump at the opportunity to try something new. Up until I tried the Fixpencil from Caran d'Ache, I had never used a lead holder before. What's a lead holder? It's a specific kind of mechanical pencil that holds a large piece of graphite with a clutch system. Instead of small (0.5mm, etc.) lead sizes, you can use larger 2 or 3mm lead for much greater...