Billiard balls were once made of ivory. Yahoo is using AI to generate takeaways from this article. This means the info may not always match what's in the article. Reporting mistakes helps us improve ...

Utility crews on Monday dumped the first batch of about three million plastic balls into Ivanhoe Reservoir in Silver Lake. KPCC's Frank Stoltze says the balls will help prevent the development of a ...

What is the most space-efficient way to pack tennis balls or oranges? Mathematicians have studied this “sphere-packing” problem for centuries, but surprisingly little attention has been paid to ...

Los Angeles Dodgers star Shohei Ohtani felt the revenge of manager Dave Roberts after Roberts pranked him back by filling his car with plastic balls, escalating their ongoing prank war. On Friday, the ...