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Before digital scales, how was a weight measurement of accurate to .01g performed?

Submitted by CoinNoob7 t3_ycuvur on October 25, 2022 at 3:36 AM

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AskScience AMA Series: I'm Dr. Mark Horowitz, and I developed a science-based method for tapering off antidepressants, based on how the drugs affect the brain. I also co-authored the recent paper that reassessed the low serotonin theory ('chemical imbalance') of depression. AMA!

Submitted by AskScienceModerator t3_yc89rq on October 24, 2022 at 11:01 AM

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How did astronomers think the sun worked before the discovery of nuclear fusion?

Submitted by bingeese t3_yc1anh on October 24, 2022 at 3:47 AM

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How do doctors know if someone's depression has physiological causes or it's a result of something else, like trauma etc.?

Submitted by [deleted] t3_ybkwq2 on October 23, 2022 at 3:42 PM

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Why do colonies of insects such as ants or bees not suffer from inbreeding depression?

Submitted by CoolGuyBabz t3_y8wwmc on October 20, 2022 at 12:26 PM

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Is a solid just a liquid with really high viscosity?

Submitted by carltonBlend t3_y8aqxo on October 19, 2022 at 6:45 PM

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Ask Anything Wednesday - Engineering, Mathematics, Computer Science

Submitted by AutoModerator t3_y83iat on October 19, 2022 at 2:00 PM

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Does Reading Prevent Cognitive Decline?

Submitted by angelojann t3_y774y0 on October 18, 2022 at 1:30 PM

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Do nutrition profiles of fruits change as they ripen?

Submitted by notlocity t3_y6czto on October 17, 2022 at 2:42 PM

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How do scientists know that 1 Billion crab went missing ?

Submitted by WhtRabit t3_y5tlmo on October 16, 2022 at 10:17 PM

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Is there truth in the allegation that rats in natural environments are not interested in drugs?

Submitted by soundingdemo t3_y56jte on October 16, 2022 at 3:32 AM

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Why do giraffes have spots?

Submitted by desi_launda101 t3_y4lken on October 15, 2022 at 11:30 AM

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Why do bowhead whales (and/or other long-lived mammals) not have shorter lifespans due to cancers and age-related deterioration?

Submitted by an711098 t3_y44b9f on October 14, 2022 at 8:27 PM

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NASA successfully nudged Dimorphos into a different orbit, but was off by a factor of 3 in predicting the change in period, apparently due to the debris ejected. Will we also need to know the composition and structure of a threatening asteroid, to reliably deflect it away from an Earth strike?

Submitted by ECatPlay t3_y2o5k2 on October 13, 2022 at 3:28 AM

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how did the over 1 km wide crater on the moon Callirrhoe form without knocking the moon out of orbit around Jupiter? the Moon is less than 10 km wide?

Submitted by GMEplits2 t3_y1h3y2 on October 11, 2022 at 6:54 PM

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Is there anything in nature akin to crop rotation ? else, how do plants not deplete any particular nutrient they consume from a piece of wildland as time goes by?

Submitted by ccjmk t3_y0iphr on October 10, 2022 at 4:11 PM

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Are all languages the same "speed"?

Submitted by dancedaisu t3_xzyy9s on October 9, 2022 at 11:01 PM

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Do certain smells travel farther than others?

Submitted by bbananasplit t3_xzn1ac on October 9, 2022 at 2:29 PM

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Does the human body actually have receptors specifically for THC or is that just a stoner myth?

Submitted by parascrat t3_xytmhk on October 8, 2022 at 2:04 PM

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What does "The Universe is not locally real" mean?

Submitted by kabir9966 t3_xxyqgx on October 7, 2022 at 1:08 PM

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Will the contents of landfills eventually fossilize?

Submitted by PMme_ur_grocery_list t3_xwppch on October 5, 2022 at 11:23 PM

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How do we know that dinosaurs didn't roar, like in Jurassic Park? Would they have chirped and cawed and sang, like birds today?

Submitted by zeromig t3_xw1cfg on October 5, 2022 at 5:08 AM

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How is the environment/humanity not affected by the hundreds (or thousands) of tests of nuclear bombs over the last century?

Submitted by scattingcougar t3_xvdziy on October 4, 2022 at 12:36 PM

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AskScience AMA Series: We've studied what happens to your microbiome after a stool transplant. AUA!

Submitted by AskScienceModerator t3_xvc1gb on October 4, 2022 at 11:00 AM

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If I looked completely different but my scent was the still the same, would my dog still recognize me as their owner?

Submitted by QuadrupleQ t3_xuoyp7 on October 3, 2022 at 4:57 PM

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