Get ready for a thrilling episode of The Weekly Roar 🎉 with Leland McMane 🦁! We're examining cutting-edge science 🔬 that may revive the woolly mammoth 🐘, and uncovering a shocking discovery of a powerful new predator 🐆 from 300 million years ago. Plus, learn how scientists have engineered mice 🐭 to be more vocal! 💬 Don't forget to test your animal knowledge with our Smarty Quiz 🧠 on endangered species!