Access this story and all of our content 24/7 for $4.99 for 4 weeks. Continue for $14.99 for each additional 4 weeks.

The heart is a muscular organ roughly the size of your fist. As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct ...

A typical power transformer consists of two or more coils of wire connected by a shared magnetic core. The device commonly contains two wire coils: the primary winding and the secondary winding.

I firmly believe you might like it better than Windows. I firmly believe you might like it better than Windows. Sean Hollister is a senior editor and founding member of The Verge who covers ...