/r/askscience
If I run five miles, do I lose more weight/calories when I have bad stamina compared to when I have good stamina? (x-post from r/answers)
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Why is a Chihuahua and Mastiff the same species but a different 'breed', while a bird with a slightly differently shaped beak from another is a different 'species'?
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How far can a big passenger aircraft (for instance an Airbus A340) glide after catastrophic engin failure?
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AskScience AMA Series: We're the crew of Robert Ballard's Exploration Vessel Nautilus, currently at the Galapagos Rift, Ask Us Anything!
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If you made a stealth airplane with a radar signature that is smaller than the wavelength of the radar searching for it, would it be effectively undetectable completely?
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why do atoms that are closer to filling their valence shell attract electrons more strongly than atoms that need more electrons?
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how does fat and protein digestion works? difference between lean and fatty protein and the effect on digestion time?
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Apparently there is an upper limit of the mass of a photon. Would a massive photon be bad news for physics?
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