Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Is the whole universe just a simulation?

A new drug for erectile dysfunction is being studied. It targets the nervous system for longer-lasting relief than current ED medications. Experts warn against unregulated online drugs and advise ...

Apple removed the physical Home button from its flagship iPhones years ago, but the core idea never really went away. Buried inside the Accessibility settings is a floating control that can behave ...

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The internet has changed how kids learn about sex, but sex ed in the classroom still sucks. In Sex Ed 2.0, Mashable explores the state of sex ed and imagines a future where digital innovations are ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...