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From top-dog wolves and wise elder elephants to insect royalty and sex-changing fish, animal alphas take many fascinating forms

Fee-fi-fo-fum! it may not make a great deal of grammatical sense, but this phrase is certain to conjure up mental images of magic beans, rampant beanstalks and one very angry giant. Colossal-sized hum

Peek over the parapet of a bridge just as daylight bleeds into dusk, gazing down through the clear layers of a shallow river or chalk stream, and you may glimpse the shadowy, serpentine form of an eel

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A round-up of the strangest science stories from around the world.

Amazing answers to your curious questions