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panning for gold

How the 49ers found fortune in the famous Californian gold rush. ... read more

how can certain drugs cause weight gain

A number of prescription drugs are associated with weight gain. ... read more

what is an animal

Animals are living creatures. They include very small creatures such as dust mites and very large creatures such as whales. Animals are multi-cellular organisms that eat food to survive. They cannot get energy from the sun like plants do. Most animals can move on their own. ... read more

inside a serpent

No legs? No problem! Check out the science beneath the snakeskin. ... read more

what are whiskers

Find out how these specialised hairs help animals to sense their surroundings. ... read more