Being in a zero-gravity environment sounds like fun, right? Just floating around in weightlessness. But it can make hygiene pretty difficult. Some everyday activities we take for granted are much harder in space, and the methods astronauts have come up with to stay clean are honestly genius.

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When you think of the ancient world, stone tools, pyramids and Togas probably come to mind. But, you might not think of running water, giant moving sculptures and computers. It turns out our ancestors knew a lot more than we may have thought and some of their inventions are genuinely remarkable.

Making a shot in basketball is tough. People spend years getting good at it. Well, what if you used tech to build a basketball hoop that you can never miss? That's exactly what one internet engineer did and the results are amazing.

It's the age-old question: Are we alone in the universe? Are there other worlds just like ours? Astronomers have spotted a few planets that may have conditions similar to those here on Earth. Find out how far away they are and if we have hope of ever seeing them.

From cringing at the pump to getting an eye-popping check at your favorite restaurant, inflation is hitting us all where it hurts. That’s why I started using Upside to get cash back on every purchase, whether it's gas, groceries or even dining out. Simply download the free Upside app and use promo code KIM for 25 cents or more back for every gallon on your first tank of gas. And, when you claim an offer for whatever you’re buying on Upside, "check in” at the business, pay as usual and get paid! When compared to credit card rewards or loyalty programs, you can earn 3x more cash back with Upside. Upside users are earning more than $1 million every week.