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PopSci editors answer your most outlandish, mind-burning questions, from the ordinary to the off-the-wall.
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![chewing gum pieces on red background](https://www.popsci.com/wp-content/uploads/2024/07/chewing_gum_jawline.jpg?w=800)
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Can chewing gum reshape your jawline? We asked experts.
![Oil Pulling Mouthwash, dental oral hygiene rinse aid liquid, trendy alternative detoxifying mouthwash with toothbrush, toothpaste for cleaning teeth on bath background](https://www.popsci.com/wp-content/uploads/2024/06/oil_pulling_science.jpg?w=799)
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What does oil pulling do to your teeth? We asked dentists.
![man sneezing on a colorful, illustrated background](https://www.popsci.com/wp-content/uploads/2024/06/why-do-i-sneeze-so-loud.jpg?w=675)
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Why do some people sneeze so loudly?
![Orange juice with spoon of collagen](https://www.popsci.com/wp-content/uploads/2024/06/collagen_drinks_effectiveness.jpg?w=800)
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Does drinking collagen actually do anything? We asked experts.
![A person wearing running shorts holding their thigh on a beach, potentially wondering what happens when you pull a muscle, because they probably just did.](https://www.popsci.com/wp-content/uploads/2019/01/03/TTTVFFOFF3SEENTEWMQAZOQMIU-e1684945372451.jpg?w=793)
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Here’s what really happens when you pull a muscle
![engineers working on voyager 2](https://www.popsci.com/wp-content/uploads/2023/04/10/voyager.png?w=800)
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How is Voyager’s vintage technology still flying?
![Magnetic tape and Blu-Ray Discs for data storage forming an infinity sign on a yellow background. Illustrated.](https://www.popsci.com/wp-content/uploads/2023/03/28/Infinity-17_1.jpg?w=800)
Inside the search for the best way to save humanity’s data
![An airplane taking off toward the camera at dusk, with lights along the runway and on the front of the plane, against a cloudy reddish sunset.](https://www.popsci.com/wp-content/uploads/2022/07/11/josue-isai-ramos-figueroa-n2NBgIx3A28-unsplash.jpg?w=675)
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Let’s talk about how planes fly
![illustration of person at computer with devil horns and cloven hooves](https://www.popsci.com/wp-content/uploads/2022/08/12/AUA_DevilsAdvocate.jpg?w=600)
Does playing devil’s advocate do more harm than good?
![illustration of astronaut floating in space](https://www.popsci.com/wp-content/uploads/2022/08/12/AUA_SpaceWalk.jpg?w=600)
How astronauts pull off dangerous spacewalks
![illustration of people on rollercoaster](https://www.popsci.com/wp-content/uploads/2022/08/12/AUA_Rollercoaster.jpg?w=600)
4 of the most extreme amusement park rides on the planet
![illustration of pufferfish on a fork](https://www.popsci.com/wp-content/uploads/2022/08/12/AUA_Fugu.jpg?w=600)
Deadly and delicious: These 6 foods can actually kill you
![illustration of free-falling woman](https://www.popsci.com/wp-content/uploads/2022/08/12/AUA_BigQ.jpg?w=600)