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New U.S. dietary guidelines emphasize fruit, vegetables, whole grains, lean meat

New U.S. dietary guidelines emphasize fruit, vegetables, whole grains, lean meat

Health
Dec. 29 (UPI) -- New dietary guidelines released Tuesday by the U.S. Department of Agriculture and the Department of Health and Human Services urge increased consumption of fruits and vegetables, whole grains and lean meat. They also advise people in the United States to reduce salt and saturated fat levels in their diets, officials said. Advertisement However, the Trump administration opted not to adopt new recommendations on alcohol consumption, initially drafted in June, after lobbying from the industry, according to reports. At least initially, the Dietary Guidelines Advisory Committee, a panel of nutrition experts that advises the USDA and HHS, suggested that the government revise its definition of "moderate drinking" for men down from two drinks per day to one. The definition of mo...
Microneedle device could deliver “life-saving” treatment to diseased fruit plants

Microneedle device could deliver “life-saving” treatment to diseased fruit plants

Science
April 27 (UPI) -- Massachusetts Institute of Technology engineers have developed a precision injection system for plants to potentially help orange, olive and banana crops threatened by diseases. The new system uses silk-based biomaterials to fabricate a microneedle-like device, which can inject nutrients, antibiotics or other pesticides into plants' circulatory systems, according to a study describing the system, published this month in the journal Advanced Science. Researchers say the device could be used to start delivering "life-saving treatments" to orange, olive and banana crops under threat by diseases that affect their circulatory systems. "We wanted to solve the technical problem of how you can have a precise access to the plant vasculature," graduate student Yunteng Cao, who le...
To attract mates, male fruit flies sing songs with their wings

To attract mates, male fruit flies sing songs with their wings

Science
Aug. 24 (UPI) -- Fruit flies are agile fliers. Evading the swat of a human hand is easy. But for males, wings aren't just a tool for travel and evasion. They're an instrument -- an instrument the would-be dads use to woo females. With the help of powerful microphones and neuron tracking technology, scientists at Aarhus University in Denmark identified the song motor circuit male fruit flies depend on for reproductive success. To most, the tiny fruit fly is nothing more than a nuisance. But for researchers, especially neuroscientists, the fruit fly is the perfect model. Scientists have used the fruit fly and its 200,000 brain neurons to gain insight into the mysteries of genetics, neural development, disease and more. A combination of advanced acoustic and imaging technologies allowed scie...
Financial fruit: Apple becomes 1st trillion-dollar company

Financial fruit: Apple becomes 1st trillion-dollar company

Technology
Apple is the world's first publicly traded company to be valued at $ 1 trillion, the financial fruit of stylish technology that has redefined what we expect from our gadgets. The milestone reached Thursday marks the latest triumph of a trend-setting company that two mavericks named Steve started in a Silicon Valley garage 42 years ago. Apple's shares gained $ 5.89 to close at $ 207.39, leaving the company's market value a notch above $ 1 trillion — around $ 1,001,679,220,000, according to FactSet. Apple sits atop a U.S. stock market that has become dominated by technology-centered companies: Amazon, Google's parent Alphabet, Microsoft and Facebook round out the top five in market value. The achievement seemed unimaginable in 1997 when Apple teetered on the edge of bankruptcy, with ...