The Tesla Model S, Motor Trend Car of the Year, is introduced at the 2013 North American International Auto Show, in Detroit in January. Tesla's attempts to sell its cars without going through dealerships is meeting resistance.
More than 5 million Americans are currently living with Alzheimer's disease, and the National Institute on Aging estimates that that number is going to triple by 2050 — in part due to aging baby boomers.
The cost of coping with the disease — currently estimated at $215 billion — is projected to rise to half a trillion dollars by 2050. That amount will likely tax our overburdened health care system, the economy and the families of those affected.
Amy Goyer realized her 84-year-old father Robert's health was deteriorating one night while watching a movie with him.
Climate change is a stark reality in America's northernmost state. Nearly 90 percent of native Alaskan villages are on the coast, where dramatic erosion and floods have become a part of daily life.
Perched on the Ninglick River on the west coast of the state, the tiny town of Newtok may be the state's most vulnerable village. About 350 people live there, nearly all of them Yupik Eskimos. But the Ninglick is rapidly rising due to ice melt, and the U.S. Army Corps of Engineers says the highest point in the town — a school — could be underwater by 2017.