New aurorae detected on Jupiter's four largest moons

Astronomers using W. M. Keck Observatory on Maunakea in Hawaiʻi have discovered that aurorae at visible wavelengths appear on all 4 major moons of Jupiter: Io, Europa, Ganymede, and Callisto.

Do soils need a low-salt diet?

Doctors often tell their patients to reduce their salt intake as part of a healthy lifestyle. When we start looking at food labels, we may find salt in surprising places—like baked goods, drinks and canned foods.

Keeping the taste, reducing the salt

Washington State University researchers have found a way to make food taste salty but with less of the sodium chloride tied to poor health.

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