#oxidation

#oxidation

Pistachios are having quite the moment. As the star of the now-famous "Dubai chocolate bar," these shelled glories have really gone viral, so much so that there was even a shortage at one point. If you're someone who hoarded up during the frenzy, you might want to keep an eye on your stash. Contrary to what you might think, pistachios do go bad - and it doesn't take that long for them to deteriorate.

Scientists have found that oxygen particles blown from Earth to the Moon can turn lunar minerals into hematite, also known as rust. The discovery adds to researchers' growing understanding of the deep interconnection between Earth and the Moon - and shows how the Moon keeps a geological record of those interactions, says Ziliang Jin, a planetary scientist at Macau University of Science and Technology in China. He and his colleagues reported their findings earlier this month in Geophysical Research Letters.