/r/askscience
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Are fallen leaves traceable to their specific tree of origin using DNA analysis, similar to how a strand of hair is traceable to a specific person?
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How do epidemiologists determine whether new Covid-19 cases are a just result of increased testing or actually a true increase in disease prevalence?
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Do insects have muscles? If so, are they structurally similar to ours, and why can some, like ants, carry so much more weight than us proportionally? If not, what to they have that acts as a muscle?
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If Mars at some point had oceans that were filled with life similar to our own, would there still be oil there despite the harsh Marian conditions and what we know about the planet?
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How come the space station needs to fire a rocket regularly to stay in orbit, but dangerous space junk can stay up there indefinitely?
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Study "Caffeine Caused a Widespread Increase of Resting Brain Entropy" Well...what the heck is resting brain entropy? Is that good or bad? Google is not helping
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Horses' lifespan is severely affected from being injected with spider venom for anti-venom production. Why does it happen, and does something similar happen to people bitten by spiders?
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