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Martian sky pulses and glare when seen at night in UV light

Ultraviolet ‘Nightglow’ from Mars’ atmosphere.Image: NASA / MAVEN / Goddard Space Flight Center / CU / LASP New ultra-violet observations of the Red Planet mark complex circulation patterns in the Martian atmosphere, including extremely regular night-glass pulses that are invisible to the unsupported eye. The Martian atmosphere is, when viewed …

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Programmable synthetic materials

Rods of multivariate MOFs (left) can be programmed with different metal atoms (colored balls) to perform a series of chemical tasks, such as controlled release of drugs, or to encode information such as those and zeros in a digital computer. Credit: UC Berkeley image by Omar Yaghi and Zhe Ji …

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