The data they provide can be used in other studies examining the oxidation state of uranium and other metal compounds. (pnnl.gov)
The solar cell uses sunlight and metal compound called tungsten diselenide as a catalyst to power a photosynthesis - like process, but instead of producing sugars, like plants do for energy, these «artificial leaves» produces a mixture of hydrogen gas and carbon monoxide, Syngas. (earthday.org)
«Among the possibilities on Venus are a temperature dependent chemical weathering process or heavy metal compound precipitating from the air — a heavy metal frost.» (sciencedaily.com)