T. rex totality

March 28, 2024

How many Tyrannosaurus rex (you know … big mouth, big teeth, tiny arms) dinosaurs existed in North America before their extinction? Was it … A.) 2,500, B.) 250,000, C.) 2.5 million or D.) 2.5 billion?

The answer: D.) 2.5 billion. Scientists estimate that while there were only 20,000 Tyrannosaurus rex alive in North America at any given time, the species existed for 2.5 million years … which, after some big math, gives us 2.5 billion T. rex.

Tags: dinosaurs, math, North America, scientists

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📱 Want to be the groovy, hip parent? Talk to your kids about Xiaohongshu (paywall link). Pronounced “shau-hong-shu,” the platform is like Instagram and Reddit had a baby, and it’s where peeps get honest feedback on everything from their fashion choices to nose shape. Yup, another Communist China app for our kids.

1,741 miles without stopping

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