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Mathematician Claims He Solved 160-Year-Old Math Problem. Critics Say Probably Not.
If Extra Dimensions Do Exist, They Must Be Really, Really Small
Pregnant Women May Now Have a New Way to Limit Unhealthy Weight Gain
150 Years Ago, Mobius Discovered Weird One-Sided Objects. Here's Why They're So Cool.
Can Seeds in a Dead Person's Stomach Really Sprout into Trees?