Police-grade pepper spray isn't your mama's mace, and it makes a jalapeno look like a bowl of ice cream, according to this infographic. Eric Mack has been a CNET contributor since 2011. Eric and his ...

Fire off a can of bear spray and you’ll deploy a 25-foot-long hot pepper cloud that should prevent a bear from attacking. The stuff’s not lethal, but it will temporarily irritate a bear’s eyes and ...

Borrowing from a method often used to cool down on a hot summer day, researchers at the UCLA engineering school are coaxing more efficiency out of hot silicon chips by spraying them with water. The ...

Pepper spray causes burning, pain, and tears when it comes into contact with a person’s eyes. Symptoms usually resolve in 30 minutes, but some people may experience more severe effects. Pepper sprays ...

Of all the interesting insects on our planet — and we have about 1.7 million known species to choose from — the bombardier beetle may be the most interesting. It deters would-be attackers, such as ...