/u/Right_Two_5737's posts in /r/askscience

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Everyone knows that sharks can smell blood in the water. But are there any air-breathing animals that can smell underwater? Or water-breathing animals that can smell in the air?

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Three questions about the Carboniferous Era

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During the Carboniferous, why didn't forest fires clear out the dead wood?

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Are there foods that are good for dogs but poisonous to us?

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The biggest animals in the ocean are air-breathers. Is there an advantage to breathing air, or is it just a quirk that it came out that way?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Everyone knows that sharks can smell blood in the water. But are there any air-breathing animals that can smell underwater? Or water-breathing animals that can smell in the air?	2509
Three questions about the Carboniferous Era	1
During the Carboniferous, why didn't forest fires clear out the dead wood?	1
Are there foods that are good for dogs but poisonous to us?	1
The biggest animals in the ocean are air-breathers. Is there an advantage to breathing air, or is it just a quirk that it came out that way?	1