3000-year-old leather balls found in graves may be for ancient sport

Carbon dating indicates three leather balls uncovered from ancient graves in northern China are 3000 years old, making them the oldest balls found in Eurasia Source: https://www.newscientist.com/article/2256610-3000-year-old-leather-balls-found-in-graves-may-be-for-ancient-sport/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

Whale sharks can live for a least 50 years – and probably longer

The age of a whale shark can be determined by carbon dating the rings of growth in their cartilage, a method that has confirmed that these animals can live for at least 50 years Source: https://www.newscientist.com/article/2239595-whale-sharks-can-live-for-a-least-50-years-and-probably-longer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…