Science

Urban agriculture is expected to be an important feature of 21st century sustainability and can have many benefits for communities and cities, including providing fresh produce in neighborhoods with few other options. Among those benefits, growing food in backyards, community gardens or urban farms can shrink the distance fruits and vegetables have to travel between
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TAMPA, Fla. — It will become increasingly challenging to protect national interests during treaty-level talks over how radio waves should be allocated for satellite connectivity, according to the ambassador who led U.S. efforts at the 2023 World Radiocommunication Conference (WRC-23). “We’re going to see, I think, a lot more satellite-related issues,” Deputy Assistant Secretary of
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As Earth turns, so does our physiological clock. Daylight keeps cascades of timekeeping molecules in sync as they perform regulatory dances throughout our bodies, sometimes partnering with sex hormones, sometimes waltzing alone, but always leading the way. A surprising study led by the University of California, Davis has now discovered timekeeping molecules that dance to
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TAMPA, Fla. — Space investments should start picking up in 2024 after plummeting last year, executives discussing the industry’s outlook said Jan. 17, but will likely remain far short of record highs. According to recently released research from early-stage investor Space Capital, around $17.9 billion was invested in the global space economy in 2023, 25%
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Scientists are predicting a worldwide fall in family sizes before the end of the century, as families get more ‘vertical’ – meaning more grandparents and great-grandparents, and fewer cousins, nieces, and nephews. In a new study by an international team of researchers, mathematical models were used alongside existing population records and projections to calculate an
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WASHINGTON — The Space Development Agency announced Jan. 16 it selected  L3Harris, Lockheed Martin and Sierra Space to build and operate 54 satellites equipped with infrared sensors capable of tracking hypersonic missiles in all phases of flight. The satellites will be part of SDA’s Tranche 2 Tracking Layer, a network of satellites in low orbit
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