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topic Science • www.goodnewsnetwork.org • Apr 18, 2026 15:35

Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs

Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs
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Why This Matters

Scientific discoveries like this expand human knowledge and open new possibilities for addressing global challenges.
A remarkable new discovery is shedding light on one of the greatest survival stories in Earth’s history—and answering a decades-old scientific mystery. Lystrosaurus, a hardy, plant-eating mammal ancestor, rose to prominence following a mass extinction some 252 million years ago—the most devastating extinction event our planet has ever experienced. While countless species vanished, Lystrosaurus not […] The post Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs appeared first on Good News Network.
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