If you’re interested in buying an electric car but worry about where to charge on long trips, a plug-in hybrid electric vehicle (PHEV) might be right for you. (Learn more in our hybrid/EV buying guide ...

A mucus plug protects the cervix from bacteria during pregnancy. Losing a mucus plug can indicate the start of labor. Contact your doctor if you lose your mucus plug before 37 weeks. A mucus plug is a ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Plug Power has disappointed many investors over the past 26 years. But it has established an early mover’s advantage in the nascent hydrogen market. Its vertically integrated business model gives it ...