Metal baseball bats were first produced in the 1970s, as an economical alternative to traditional wooden bats, which needed to be replaced every time one broke. But as The Early Show's Dr. Emily ...

Smacking it outside the sweet spot, on the other hand, forced 450 to 700 vibrations per second to pulse at the bat’s grip, thereby causing the sting. And these vibrations peaked in intensity right ...

responsible for the bat's more painful sting. These absorbers must be specifically tuned, since the painful vibration frequencies vary depending on a bat's length. The vibration absorbers Russell ...

Scientists find that in bats, an antiviral immune pathway called the STING-interferon pathway is dampened, and bats can maintain just enough defense against illness without triggering a heightened ...