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What happens if you throw 2 balls of equal mass and equal velocity at each other and they combine into one object?

Submitted by minecraftmanyt t3_11vsibw on March 19, 2023 at 6:05 PM in askscience

  • 9 comments
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Do any animals apart from humans have an evolving den/nest aesthetic?

Submitted by Toorelad t3_11veevf on March 19, 2023 at 7:17 AM in askscience

  • 14 comments
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Is it possible to tell which parent a somatic chromosome came from without testing the parents?

Submitted by WillMammoth t3_11vc3a5 on March 19, 2023 at 5:09 AM in askscience

  • 7 comments
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What is the ultimate fate of rocky bodies?

Submitted by spiteful_rr_dm_TA t3_11vamkr on March 19, 2023 at 3:57 AM in askscience

  • 23 comments
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what effects do dehydration and tiredness have on our perceived hearing?

Submitted by dombeale t3_11v8fcp on March 19, 2023 at 2:16 AM in askscience

  • 13 comments
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How different were the first horses domesticated by humans compared to modern horses?

Submitted by clacker96 t3_11v8ah5 on March 19, 2023 at 2:10 AM in askscience

  • 32 comments
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What causes raised ridges in human fingernails/toenails?

Submitted by afcagroo t3_11v4ne1 on March 18, 2023 at 11:37 PM in askscience

  • 195 comments
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When we film creatures in the deep ocean, are we hurting them with our lights (perhaps even blinding them)?

Submitted by Crushingit1980 t3_11v12q6 on March 18, 2023 at 9:15 PM in askscience

  • 9 comments
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Why have many plants evolved to need nitrogen-rich soil, when there is so much nitrogen freely available in they air they use anyway?

Submitted by runningchild t3_11urstc on March 18, 2023 at 3:45 PM in askscience

  • 11 comments
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Why is caffeine beneficial for cardiovascular health over the long term when other stimulants like nicotine, cocaine, amphetamines, etc. are harmful?

Submitted by Marelius121 t3_11ur9ub on March 18, 2023 at 3:23 PM in askscience

  • 10 comments
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How do scientists know the racoon dog was the most likely vector for the COVID-19 zoonotic transfer to humans?

Submitted by AgaricX t3_11uqt9p on March 18, 2023 at 3:04 PM in askscience

  • 65 comments
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Can testosterone levels in men increase after having kids?

Submitted by GeologistAlarming402 t3_11um9ql on March 18, 2023 at 11:47 AM in askscience

  • 9 comments
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How does immunity to larger internal parasites such as worms work?

Submitted by OryuSatellite t3_11uhvmh on March 18, 2023 at 7:54 AM in askscience

  • 13 comments
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What is the motion btwn Milky Way & Andromeda relative to the motion btwn those two and the Great Attractor?

Submitted by Griegz t3_11ug41g on March 18, 2023 at 6:07 AM in askscience

  • 8 comments
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We're often taught that objects travel to lower energy states to reach stability. But the energy of the universe is constant - doesn't that just mean other surrounding things go to higher energy states? What decides which thing gets to have low energy?

Submitted by SMM-123Sam t3_11uelrv on March 18, 2023 at 4:43 AM in askscience

  • 11 comments
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Can the direction of a parent/child relationship be determined from two DNA samples?

Submitted by DrOmega2468 t3_11uedet on March 18, 2023 at 4:31 AM in askscience

  • 7 comments
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How does the body excrete bacteria and infections?

Submitted by leinard97 t3_11ubh99 on March 18, 2023 at 2:07 AM in askscience

  • 27 comments
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Why that walking with the arms moving is easier than walking with them still?

Submitted by BossBo161812 t3_11tmsln on March 17, 2023 at 10:04 AM in askscience

  • 14 comments
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How do greenhouses actually work?

Submitted by _Dnikeb t3_11tln6y on March 17, 2023 at 9:00 AM in askscience

  • 15 comments
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Are there any known endogenous retroviruses that can cause active infections, and is this possible in principle?

Submitted by amlyo t3_11tlll4 on March 17, 2023 at 8:57 AM in askscience

  • 21 comments
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Can taking the pill delay menopause?

Submitted by SouthFar412 t3_11tjzn0 on March 17, 2023 at 7:16 AM in askscience

  • 10 comments
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How fast does the galactic center spin?

Submitted by syynnnxxz t3_11tidsb on March 17, 2023 at 5:42 AM in askscience

  • 12 comments
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If UV radiation is used to disinfect and sterilise things then why isn't everything the sun touches (your skin, the sidewalk etc) sterile?

Submitted by Critwhoris t3_11ti4nm on March 17, 2023 at 5:28 AM in askscience

  • 135 comments
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What decides which wavelength to reflect and which one to be absorbed in an object?

Submitted by TheSimpleHumans t3_11thgw0 on March 17, 2023 at 4:52 AM in askscience

  • 25 comments
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Would A Brown Dwarf Cause An Orbiting Object To Cool?

Submitted by Masterpiece-666 t3_11tgyas on March 17, 2023 at 4:25 AM in askscience

  • 7 comments
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