The best liars keep things simple. After all, when you begin practising the art of deception, you can easily end up in a tangled web, lost in your own lies. But simplifying your lies is easier said ...

Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Simone Giertz started her career on YouTube building what she called “shitty robots”—deliberately flawed contraptions that made ...

Low arginine levels may allow cancer cells and viruses to slip past the immune system by reducing production of a crucial cellular warning protein. In mice, arginine-rich diets led to fewer colon ...