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Lizards

Analysis and Comment (2)

Them’s fighting words. And colours. Them’s fighting words. And colours. Megan Best

Colourful language: chameleons talk tough by changing shade

Humans have been fascinated by the colour-changing abilities of chameleons for a long time. Aristotle himself, the forefather of Western philosophy and also a keen zoologist, mentioned the lizard’s ability…
Since the early 20th century, there have been claims that dinosaurs were warm-blooded. Since the early 20th century, there have been claims that dinosaurs were warm-blooded. Bharath Kishore

Hot fuss: is warm-blooded dinosaur theory right or wrong?

Mark Twain reputedly said it wasn’t what he didn’t know that bothered him, but what he knew that wasn’t true. A recent contribution on dinosaur physiology in Nature, by palaeontologist Meike Köhler and…

Research Briefs (5)

Bigger doesn’t always mean faster

Larger animals with longer legs aren’t always the fastest when sprinting, but then neither are smaller animals. Researchers…