"Did You Know is your go-to outlet for amazing facts and mind-blowing discoveries! Secret History uncovers the forgotten, ...

We use pipes to carry all kinds of fluids. Pretty much anyone can tell you how they work. You put a liquid or a gas in one side and it comes out the other. But, designing pipe systems is not always as ...

It's been more than five years since a house explosion in South Philly left two people dead. Investigators said a cracked underground gas pipe was to blame. Now, a new settlement could make people's ...