Genetic Changes. Mutations in the ATM gene cause ataxia-telangiectasia. The ATM gene provides instructions for making a protein that helps control cell division and is involved in DNA repair. This protein plays an important role in the normal development and activity of several body systems, including the nervous system and immune system.
The Best OTF Knife â Blade Types. OTF knives give you added access to your blade, when you need it most. This type of knife uses a assisted opening mechanism to fire the blade up and out the front of the knife handle. OTF knives come in a variety of blade configurations.
Best Impact Wrenches. A decade ago, a good impact wrench required a bulky compressor in order to deliver an adequate performance. Thankfully, today's cordless impact wrenches offer a convenient, powerful alternative. To ensure a level field, all have half-inch drives. Each manufacturer offers similar 3/8-inch drive alternatives, and low-cost adapters are readily available if you want to handle both. We examined dozens of models.