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I often find these strange, thumb-sized, pink globular blobs...

30 September 2015

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

I often find these strange, thumb-sized, pink globular blobs (see photo) just above the waterline along drainage ditches and canals in Borneo and Thailand. What are they? Over time they turn dusty white and fall away.

Michael Fortwengler, By email, no address supplied

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