Cicada

Later this spring, billions of bugs will crawl out of dime-sized holes in the ground after 17 years in the soil. These cicadas will go topside just to mate and die over the course of four to six weeks. Here's how you can prepare for their arrival.

Inside a Natural Gas Furnace

BTU stands for British thermal unit. BTUs are a measure of the heating — or cooling — power of an appliance. Here's the 411 on BTUs.

assorted hand tools in question mark shape

here are dozens of different kinds of screwdrivers — and more cropping up all the time as manufacturers develop new types of screws. Luckily, there are really only a few varieties the average homeowner should keep on hand. Here’s a primer on screwdrivers.

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