Bringing out the color in zinc to expand its potential properties

Zinc is an important element that is found widely in biological systems, is cheap to manufacture relative to other metals, and has low toxicity. However, unlike other similar metals that exhibit a variety of vibrant colors ...

Ionic crystal generates molecular ions upon positron irradiation

The positron, the antiparticle of the electron, has the same mass and charge as that of an electron but with the sign flipped for the charge. It is an attractive particle for scientists because the use of positrons has led ...

Scientists unlock the secrets of a sixth basic flavor

Japanese scientist Kikunae Ikeda first proposed umami as a basic taste—in addition to sweet, sour, salty and bitter—in the early 1900s. About eight decades later, the scientific community officially agreed with him.

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