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Earth

J. Fretwell from Parry Sound asks,

I do not know if this might relate to Global Warming, but I notice no one has mentioned (maybe I...

the answer

No, the earth is not shrinking and the density of the earth is not changing....

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Biology

Bryn Williams from Vancouver asks,

If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...

the answer

(With help from Peter Lansdorp of the BC Cancer Agency)

The thing you...

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Physics

Steve Arkin from San Diego asks,

How is the spin imparted to a golf ball during the collision with a driver determined? The paradox...

the answer

The gear effect is real. When the head of a driver is hit off-center it not...

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Physics

Lisa Pearce from Gympie asks,

In winter in very cold countries like Canada and Finland, most rivers, lakes and ponds freeze over....

the answer

Plants and animals can live under ice because of water's unusual quality of...

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