In what might be the ultimate front of the U.S. trade war with China, correspondent Jon Wertheim reports from the only active rare earth mine in the U.S., deep in the Mojave Desert near the California-Nevada border.
Shipbuilding in the United States has been decimated over the decades by shortsighted policies and neglect. Today, the U.S. builds about three large cargo ships a year while China rolls out around 1,000. The Trump administration has called this a national security crisis and is making it a priority to revive the American shipbuilding industry. One solution comes from our ally South Korea. Hanwha, the Korean ship-making giant, is hoping to help resurrect the industry in the U.S. by buying and reviving the Philadelphia shipyard. Correspondent Lesley Stahl reports from Hanwha’s shipyards in Korea and Philadelphia.
Progress in treating diseases of aging like Alzheimer's and other forms of dementia has been difficult, and a new research initiative finds dogs could help change that. Scientists are discovering the biology of aging in our canine companions has striking parallels to human aging. Our dogs develop many of the same diseases we do and have remarkably similar brain structures. Correspondent Anderson Cooper reports on the Dog Aging Project that is collecting data on more than 50,000 dogs across the country in hopes of providing insight into both canine and human disease and revealing pathways to help humans and our four-legged friends live longer, healthier lives.
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