When an e-bike suddenly stops working, cuts out under load, or powers on but will not move, it is easy to assume the worst.

One could easily make a case that few inventions have changed the consumer power tool market quite as much as Lithium-Ion battery technology. So much so that, since the tech first debuted in the 1990s ...

For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.