What dinosaur has 500 teeth? Meet Nigersaurus, a bizarre sauropod with a wide snout and 500 constantly replaced teeth, earning it the nickname ‘Mesozoic cow’

How many weeks in a year? Learn why it’s 52 (plus extra days), how leap years affect it, and why it matters for planning, school, and finance.

What is a charter school? Learn the meaning, types, key differences vs public schools, and the top pros and cons to help you make informed decisions.