The secret behaviour of sharks

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

Amazing answers to your curious questions

Much of what we don’t understand about being human is simply in our heads. The brain is a befuddling organ, as are the very questions of life and death, consciousness, sleep, and much more

MOST FISH ARE carnivorous at some level, taking insects and other small prey items even if they otherwise graze on algae or plants. But those that feed primarily on other fish often have behaviours an

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

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