askscience

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If the goal of cancer treatment is to remove all potentially cancerous cells so the disease doesn't spread further in the body, why is it that cancer cannot be transferred between people via blood to blood transmission?	1
MIT professor of Atmospheric Science, Dr. Richard Lindzen, opposes the notion of global climate change caused by humans. What exactly is his argument? Does it hold scientific merit?	1
When animals live with humans as pets, why don't they attempt to copy human mannerisms such as walking on two legs or speaking the same way human children attempt to mimic adult human behavior?	1
Why do the pieces of cereal in my milk all clump and gravitate together rather than float around separately?	1
Does modern medicine hurt human beings as a species overall by dampening selective pressures against bad genes/alleles?	1
The Martian is hailed for its scientific accuracy. I noticed that despite Mars's surface only being 40% that of the Earth's, everyone in the movie was walking around very similar to how one would on earth. Is that how it actually would be or is the audience supposed to write that off?	1
More recently I've seen the idea popping up that taste is not associated with regions of the tongue in any way. Is this true?	1
Has the effect of tree shade cooling the earth's surface ever been estimated? Does that shade and cooling provide any useful purpose?	0
A news story is going viral about a 3 month old baby going permanently blind because someone used flash photography from their cell phone too near to its face. Is this really possible?	0
Does modern medicine hurt human beings as a species overall by dampening selective pressures against bad genes/alleles?	0

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