Grocery stores are like the theaters of everyday life, where the mundane meets the bizarre. From aisle to aisle, you're likely to witness an array of peculiar behaviors unique to this setting. While ...

Before coins and paper bills, people used all kinds of strange things to trade for goods and services. Over time, humans have used some very unusual objects as currency—things that may surprise you.

(via SciShow) There are a lot of places, conditions, and situations that just don't seem all that survivable for most people. But for certain populations of humans, conditions that would be fatal for ...