/u/esw116's posts in /r/askscience

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Pterosaurs are my favorite class of dinosaurs. Quetzalcoatlus had a wingspan of 40 feet and was the largest flying animal to ever live. Are there any theories on how it actually managed to achieve flight?

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Is it possible to recover fossils from land currently covered by ocean?

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What is the theoretical limit of human athleticism?

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If one person is on Earth and the other is out in space, away from Earth's gravity, and both are holding stop watches, will they both record time at the same rate?

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I'm a cyclist who occasionally likes to ride at night in pitch blackness. It makes me feel like I have more energy. Why is this?

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Say the Earth's core is hollow, and we invent a vehicle with the capability of traveling to it, how does gravity behave?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Pterosaurs are my favorite class of dinosaurs. Quetzalcoatlus had a wingspan of 40 feet and was the largest flying animal to ever live. Are there any theories on how it actually managed to achieve flight?	14
Is it possible to recover fossils from land currently covered by ocean?	1
What is the theoretical limit of human athleticism?	0
If one person is on Earth and the other is out in space, away from Earth's gravity, and both are holding stop watches, will they both record time at the same rate?	0
I'm a cyclist who occasionally likes to ride at night in pitch blackness. It makes me feel like I have more energy. Why is this?	0
Say the Earth's core is hollow, and we invent a vehicle with the capability of traveling to it, how does gravity behave?	0