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Physics

Paul Martos from Michigan City, Indiana asks,

I have a small laser pointer. The spot produced by the beam is not a solid red circle, but a fuzzy...

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The part that has to do with quantum mechanics is the way the laser light is...

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Chemistry

Pankhuri Kalra from Delhi asks,

Is there any reaction which can take place without the exchange of heat with the surroundings or...

the answer

Reactions occur that are thermally neutral. That is: the products have the...

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Biology

Christina from Orland Park asks,

What process does a jellyfish go through when it stings something?

the answer

Jellyfish, anemones, corals, and hydroids all belong to the Phylum Cnidaria,...

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Biology

Deion Christopher from Missouri asks,

Can you really grow plants from the seeds found in Mammoth feces? In national parks here in...

the answer

Many different types of plants have seeds or cones that need to be "induced"...

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