The fist bump isn't just President Obama's trademark greeting; it's also the healthier choice. According to a new study published in the American Journal of Infection Control, a fist bump transmits ...

When it comes to preventing the spread of germs, maybe the president is on to something with his fondness for fist bumps. The familiar knocking of knuckles spreads only one-twentieth the amount of ...

Does it ever feel like we live in a world with no human interaction? At grocery stores we do self-checkout, we hardly ever set foot inside a bank anymore, and so much of our shopping in general is ...