/u/simAlity's posts in /r/askscience

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How do cats not get gray hair the way dogs and people do?

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A comet -- not large enough to destroy the planet, but big enough to really screw it up -- just hit Earth. What do those of us (not at ground zero) experience?

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Evidence of water was just found on Mars. Could this mean that there was a time when life existed on both Mars and Earth at the same time?

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TIL about the Young Sun paradox where the riverbeds of Mars contradict the like surface temperature of the planet when they were made. My question is: Why are scientists so certain that water was the liquid that filled the riverbeds? Conversely is it possible that there was another source of heat?

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TIL about the Young Sun paradox where the riverbeds of Mars contradict the like surface temperature of the planet when they were formed. My question is: Why are scientists so certain that water was the liquid that filled the riverbeds? Conversely is it possible that there was another source of heat?

1 upvotes

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Ice preserved a tiny puppy in near-perfect condition for 18,000 years. The DNA is still intact. Does this mean that the puppy can be cloned?

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How can the Ballmer Peak even be possible?

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A person falls out of plane without a parachute. They are 10,000 feet above the ground. How long will their descent last and will they survive to impact?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do cats not get gray hair the way dogs and people do?	1
A comet -- not large enough to destroy the planet, but big enough to really screw it up -- just hit Earth. What do those of us (not at ground zero) experience?	1
Evidence of water was just found on Mars. Could this mean that there was a time when life existed on both Mars and Earth at the same time?	1
TIL about the Young Sun paradox where the riverbeds of Mars contradict the like surface temperature of the planet when they were made. My question is: Why are scientists so certain that water was the liquid that filled the riverbeds? Conversely is it possible that there was another source of heat?	1
TIL about the Young Sun paradox where the riverbeds of Mars contradict the like surface temperature of the planet when they were formed. My question is: Why are scientists so certain that water was the liquid that filled the riverbeds? Conversely is it possible that there was another source of heat?	1
Ice preserved a tiny puppy in near-perfect condition for 18,000 years. The DNA is still intact. Does this mean that the puppy can be cloned?	1
How can the Ballmer Peak even be possible?	0
A person falls out of plane without a parachute. They are 10,000 feet above the ground. How long will their descent last and will they survive to impact?	0