Changes to animal feed could supply food for 1 billion people

While millions around the world face the threat of famine or malnutrition, the production of feed for livestock and fish is tying up limited natural resources that could be used to produce food for people. New research from ...

Spacecraft navigation uses X-rays from dead stars

The remnants of a collapsed neutron star, called a pulsar, are magnetically charged and spinning anywhere from one rotation per second to hundreds of rotations per second. These celestial bodies, each 12 to 15 miles in diameter, ...

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