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The easy way to do cool harmless water rocket. It just glides on the water level. Read instructions first.

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Brief explanation of rates of chemical reactions.

56

We hear about the amount of waste floating around space all the time. However, the biggest trash can outside of earth’s atmosphere is in fact the moon.

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The flying fishes perform jumps up to six metres above water and gliding flights of 150 metres. Do they really fly?

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Whales and dolphins cannot sleep else they may very well drown. Do they then never sleep?

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Icebergs look very beautiful and exciting. What are they exactly and from where do they come? We have heard of the tragic incident of April 14, 1912 when the famous liner, Titanic, was stuck by a big iceberg and sank taking 1,513 lives with it.

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Mobius Strip for everyone.