Dolphins were spotted in 2009 doing something unusual. A new study sheds light on the reasons behind it

Dolphins were spotted in 2009 doing something unusual. A new study sheds light on the reasons behind it

A dolphin with a fungal infection on its dorsal fin. Rubbing against certain corals may protect dolphins against skin complaints. (iScience/CNN)
A dolphin with a fungal infection on its dorsal fin. Rubbing against certain corals may protect dolphins against skin complaints. (iScience/CNN)

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