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

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[From my 8 year old]Why do some goats have beards?

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Why is the pupil in the eyeball black and not clear? How can light pass through to the retina if it is opaque?

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If we discover a relatively "Earth-sized" planet in the habitable zone around a star, with evidence of water, is there any reason to believe life hasn't formed on it?

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Can we clone a human?

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Why isn't matter/energy evenly distributed throughout the universe?

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If Mars has about 1/10th the mass of Earth, why is its gravity about 38% of Earth’s and not 10%?

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How do penguins tell which other penguins are members of the opposite sex?

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Why are hiccups so poorly understood?

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Are all the planets basically the same age?

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Can animals get "knocked out"?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
[From my 8 year old]Why do some goats have beards?	1
Why is the pupil in the eyeball black and not clear? How can light pass through to the retina if it is opaque?	1
If we discover a relatively "Earth-sized" planet in the habitable zone around a star, with evidence of water, is there any reason to believe life hasn't formed on it?	1
Can we clone a human?	1
Why isn't matter/energy evenly distributed throughout the universe?	1
If Mars has about 1/10th the mass of Earth, why is its gravity about 38% of Earth’s and not 10%?	1
How do penguins tell which other penguins are members of the opposite sex?	1
Why are hiccups so poorly understood?	1
Are all the planets basically the same age?	1
Can animals get "knocked out"?	0