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Roger S. Seymour

Roger S. Seymour

The Conversation

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Crocodiles can’t fly. Birds can. Scientists have finally figured out why

New research suggests crocodiles used to have hot blood and fast metabolisms, but gave it all up to lurk underwater waiting for prey.

14.08.2026 9

The Conversation

Roger S. Seymour

Giant dragonflies once roamed Earth’s skies. New research upends the textbook theory of why they went extinct

Scientists thought giant dragonflies couldn’t survive in today’s atmosphere – but a study of dozens of insect species shows that’s not the case.

26.03.2026 30

The Conversation

Roger S. Seymour

Why do giraffes have such long legs? Animal simulations reveal a surprising answer

Giraffes might be about as tall as a land animal can get.

03.11.2025 20

The Conversation

Roger S. Seymour