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

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How was the newly found huge Japanese "rare earths" deposit formed?

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The newly launched Transiting Exoplanet Survey Satellite will find exoplanets by observing stars dimming as they pass between the star and the telescope. What tiny percent of exoplanets happen to lie in this narrow range?

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How do we explain the randomness of radioactive decay?

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How do tides really work?

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When did the earliest civilizations understand what caused lunar and solar eclipses and what practical observations did they use to determine this?

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Does the moon actually rotate about its axis or only appear to because it is gravitationally locked?

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If a civilization technologically equivalent to ours existed in a planet around a nearby start, what signs of intelligent life would they observe coming from Earth?

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Why don't we have a vaccine yet for the common cold?

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Why is there still no vaccine or cure for the common cold?

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Apparently, although siblings have the same ancestors, they do not have the same ancestry DNA, as this is passed down in unequal amounts like all the other genetics. So what is the accuracy/value of an ancestry DNA report?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How was the newly found huge Japanese "rare earths" deposit formed?	3634
The newly launched Transiting Exoplanet Survey Satellite will find exoplanets by observing stars dimming as they pass between the star and the telescope. What tiny percent of exoplanets happen to lie in this narrow range?	1
How do we explain the randomness of radioactive decay?	1
How do tides really work?	1
When did the earliest civilizations understand what caused lunar and solar eclipses and what practical observations did they use to determine this?	1
Does the moon actually rotate about its axis or only appear to because it is gravitationally locked?	1
If a civilization technologically equivalent to ours existed in a planet around a nearby start, what signs of intelligent life would they observe coming from Earth?	1
Why don't we have a vaccine yet for the common cold?	1
Why is there still no vaccine or cure for the common cold?	1
Apparently, although siblings have the same ancestors, they do not have the same ancestry DNA, as this is passed down in unequal amounts like all the other genetics. So what is the accuracy/value of an ancestry DNA report?	0