Narwhals (IMAGE)

Paul Scherrer Institute

Narwhals

Caption

Narwhals – often called the “unicorns of the sea” – have fascinated people for centuries with their long tusks. Now an international research team has used X-ray light to reveal the internal structure of this unique tooth for the first time, from nanometre to centimetre scale.

Credit

© Carsten Eqevanq, Greenland Institute of Natural Resources, North West Greenland (2021)

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