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Biology

Frank Palmay from mississauga asks,

I understand the concept of dominant and recessive alleles but I was wondering why some alleles are...

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For every gene in a chromosome, two copies are present. As a matter of...

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Physics

Toby from the Internet asks,

I have seen in a TV show that by a very high magnetic force field even non-magnetic substances...

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The only materials that exhibit strong and easily observable forces with...

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Physics

Sacha from Charleston asks,

Yesterday I was watching "Hercules" with my little sister and now I wonder: Have the planets ever...

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You've asked a subtle question. The planets don't move like gears in a clock...

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Earth

Antreas Alvanis from Limassol, Cyprus asks,

If global warming exists and a large amount of energy is trapped in earth every day, why do we need...

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Things are much more complicated and much more subtle than you think. First...

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