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the environment in danger

Everything on Earth is connected in some way. Changes on land can affect the air. Changes in the air can affect the water. Damage to one thing always affects something else. It is easy to damage the Earth. Our planet’s population continues to grow. More people means we need to produce more food and ... read more

do fish sleep

Fish do go to sleep, but in a rather different way to humans. ... read more

how do polarised sunglasses work

Polarised sunglasses have filters that block some light waves while letting others through. ... read more

why does looking at the sun damage your eyes

Never look at the Sun unless you are using specially designed glasses that are intended for this purpose. ... read more

all about snakes

In general, snakes get a bad rep. They are animals that are traditionally treated with suspicion, as sly and cunning creatures. The truth is, they are both those things. But they’re also remarkable animals with amazing defences and incredible adaptations. Their ability to be some of the scariest ani... read more