Hair ice growing on a branch

Hair ice growing on a branch in a forest near Brachbach, Germany.

The copyright holder has authorised the use of this image under the conditions specified by the Attribution-NonCommercial-ShareAlike 4.0 licence. Further, the copyright holder waives the non-commercial restriction for uses that relate to the coverage of the associated research and press release in print, TV or online media.

Credit: Gisela Preuß

• Fungus shapes hair ice – Researchers identify fungus responsible for peculiar ice filaments that grow on dead wood (22 July 2015)

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