VIVIPARITY
In Argentina, one fossil bone from a 236-million-year-old cynodont contained a rare clue about birth. Researchers found its newborn size resembled mammals, suggesting live birth evolved 95 million years earlier than thought
The 400-year-old shark: How the Greenland Shark lives for centuries in the cold- Green revival - Snakes last seen in 1940s found at Yamuna bio park
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