"Outside Susan Holmes' house in southeastern Oklahoma, visitors are welcomed by an entryway lined with oxygen bottles and a machine that collects and concentrates oxygen from the air."
"A high-profile clash over the trademarking of Yosemite National Park names appears headed for a mediated settlement."
"DuPont Co. was found liable for a man’s testicular cancer in the second lawsuit to go to trial in 3,500 lawsuits over a toxic Teflon chemical found in Ohio and West Virginia waters, for which spinoff Chemours Co. had agreed to bear the cost."
"The U.S. Senate on Thursday approved legislation that would for the first time require food to carry labels listing genetically-modified ingredients (GMOs)."
"GRAND TETON NATIONAL PARK, Wyo. -- In 1891, a search party found the body of Robert Hamilton floating in the Snake River and lit a fire atop Signal Mountain to alert others in Jackson Hole. Today, the mountaintop is sending out new signals -- cellphone service -- across the sage- and pine-covered valley."
"The U.S. electric power grid is one of the biggest, most costly machines on Earth."
"A bill to block states from issuing mandatory labeling laws for products that contain genetically modified ingredients overcame a major hurdle in the Senate on Wednesday."
"The Federal Select Agent Program, which oversees dangerous substances such as anthrax and bird flu in federal, academic and private labs, reported 199 incidents in which lab workers were potentially exposed to infectious or toxic agents in 2015, though there were no losses of select agents."
"Lead-contaminated water in the drinking fountains at a U.S. Capitol office building has prompted officials to offer blood testing to lawmakers and staff, according to information provided to congressional offices."
"The success of large-scale solar has raised questions about the wisdom of continuing incentives for rooftop installations, which remain far more expensive than most other forms of electricity."
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