Home Ask question Search Order By: ActiveCategoryClear Filter 1 Ans Why do we associate citrus scents such as lemons and oranges with freshness? 478 views 2 Ans When you’re hungry and your stomach is rumbling, why does it eventually stop when you’ve waited long enough without eating? 850 views 10 Ans If NASA simulate physics (with programming) precisely enough to accurately calculate what will happen when they send a rocket into space, can biologists simulate the human body to discover what will happen when, for example, new medicine is introduced to it? 955 views 3 Ans What makes our genitals (and nipples) feel pleasure? 695 views 5 Ans Why does it take more than one pregnancy test to get 100% certainty? Why is one usually not trusted? 969 views 3 Ans Eli5: What happens in the brain when we feel guilt-tripped? 629 views 6 Ans Why are food allergies so common now when they seemed to be rare or non-existent before? 1.06K views 4 Ans Why do train engineers hit the wheels/brakes with a metal rod? 718 views 2 Ans What determines the range of Bluetooth devices? 666 views 2 Ans why digital numbers appear to move around when I’m eating or brushing my teeth? 595 views 3 Ans why do organs like the heart, liver and kidneys work properly from the day you are born but the reproductive organs are inactive until later in life? 1.81K views 4 Ans What physically happens when notes in singing or an instrument harmonise? Why do those certain notes sound good together and others sound awful? 1.09K views 3 Ans How do small cameras like in smartphones change their focus? 846 views 7 Ans ELI5, why do we usually have radiators under windows? Doesn’t the heat just go up then straight out the window? 817 views 4 Ans Eli5: How do scallops have such beautiful, perfectly shaped shells? They’re basically just small globs of meat, right? 760 views 3 Ans Why does it take time for the sink faucet to get hot, but gets cold right away even when it’s already hot? 741 views 17 Ans why can’t we just take the carcinogens out of cigarettes to make them safe? 1.26K views 7 Ans Why do sugar granules dissolve faster in liquids when you stir them with a spoon, than just leaving it to sit? 798 views 7 Ans How does the cooking method impact so much on the actual taste of the food? 956 views 4 Ans how can swimmers exert so much energy with little to no breathing? 821 views « Previous 1 2 … 1,605 1,606 1,607 1,608 1,609 … 3,197 3,198 Next » Question and answer is powered by anspress.net
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