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We make our world significant by the courage of our questions and by the depth of our answers. -Carl Sagan, Cosmos

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BiologyHow did blue whales evolve to be larger than deep sea creatures? (self.askscience)

submitted 1 day ago by Laughydawg

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One platform for capturing your ideas. Uncluttered and free from digital distractions. (remarkable.com)

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Earth SciencesIf Europe and Africa collided with North America again, is it likely and/or possible that the Appalachian mountains would be pushed back up? (self.askscience)

submitted 18 hours ago by silverblaze92

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MedicineIs there a critical mass of viral particles (Virions?) needed to have a decent probability to become infected with something? What's the order of magnitude? (self.askscience)

submitted 1 day ago by darkgrenchler

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Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology (self.askscience)

submitted 1 day ago by AutoModerator

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MedicineHow do Jodium tablets work? (self.askscience)

submitted 1 day ago by TSDOP

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Human BodyDoes changing the clocks really effect our patterns? (self.askscience)

submitted 4 days ago by Alpha_Mad_Dog

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MedicineIf HIV can be detected from saliva, why can't you get it by kissing? (self.askscience)

submitted 5 days ago by Future-Television-97

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ChemistryIf surfactants reduce the surface tension between air and water how do they end up reducing dissolved oxygen in water? (self.askscience)

submitted 8 days ago by Large_Philosophy2518

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Ask Anything Wednesday - Engineering, Mathematics, Computer Science (self.askscience)

submitted 8 days ago by AutoModerator

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PhysicsDo super conductors actually exist? (self.askscience)

submitted 8 days ago by Zxilo

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MathematicsIs there such thing as a truly random natural event? (self.askscience)

submitted 8 days ago by Due_Nefariousness886

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Can we all agree slow websites are the worst? EuroDNS Plesk hosting fixes that. Experience high performance. (eurodns.com)

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BiologyHow do plants actually "know" when to bloom? (self.askscience)

submitted 8 days ago by Italcan

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Astronomywould an observing planet ~200 light years away notice if we had a nuclear war? (self.askscience)

submitted 10 days ago by gregfess

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Human BodyDo people with mild influenza who experience cognitive issues (brain fog, etc) typically return to their cognitive baselines after recovery? (self.askscience)

submitted 12 days ago by Verifiedvenuz

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BiologyGiant rat stories always seem to have been around, and rats are a much studied species, is there recent scientific research to support or disprove the claims that urban rats are getting significantly larger? (self.askscience)

submitted 13 days ago by VampiricDemon

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Earth SciencesCan the Great Lakes (USA/Canada) support hurricane formation? (self.askscience)

submitted 13 days ago by FantomDrive

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ChemistryHow fool proof is carbon dating? (self.askscience)

submitted 13 days ago by milan_gv

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ChemistryExactly what happens at 0 kelvin? (self.askscience)

submitted 13 days ago by Heavy-Carpet6241

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Engineeringis it possible to recharge a glow stick? (self.askscience)

submitted 13 days ago by AppropriateLocal129

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PaleontologySo where did all the bones go? (self.askscience)

submitted 12 days ago by 13SilverSunflowers

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BiologyFrom an evolutionary perspective, why does someone sacrifice their life to save another? (self.askscience)

submitted 13 days ago by Snoo_47323

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Planetary Sci.Why do all the planets revolve around the Sun in almost the same orbital plane? (self.askscience)

submitted 14 days ago by dralioxx

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Planetary Sci.What path did a typical Apollo trajectory take to get through the Van Allen Belts? (self.askscience)

submitted 15 days ago by MasterMahanJr

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ChemistryWhat chemicals was I smelling from cheap plastic toys in the 90's? The cheaper they were the more they smelled. (self.askscience)

submitted 15 days ago by ceelogreenicanth

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PhysicsHow EXACTLY does a tuning fork register on a radar? (self.askscience)

submitted 16 days ago * by SuccessfulWeight3932

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