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As nuclear waste piles up, scientists seek the best long-term …
Mar 30, 2020 · Scientists are studying glass samples to understand long-term corrosion of vitrified nuclear waste. These micrographs show the results of accelerated aging tests on two types of aluminosilicate ...
What chemicals make airbags inflate, and how have they changed …
Nov 15, 2022 · Guanidinium nitrate is now the chemical of choice in airbags. Chemical systems are no longer the only technology used to inflate airbags. Coming full circle, some side-curtain airbags rely on ...
CRISPR genome editing gets 2020 Nobel Prize in Chemistry
Oct 9, 2020 · The 2020 Nobel Prize in Chemistry has gone to Emmanuelle Charpentier and Jennifer A. Doudna “for the development of a method for genome editing.”. That method, formally known as CRISPR-Cas9 ...
What did we learn from the Deepwater Horizon disaster?
Sep 13, 2020 · Sept. 19 marks 10 years since retired US Coast Guard Admiral Thad Allen, the national incident commander in charge of the Deepwater Horizon response, announced that the spill was over. Although ...
Climate change is destroying our coral reefs. Here’s how scientists ...
Feb 10, 2020 · In partnership with universities and industry, Australian government scientists are exploring myriad strategies to preserve the Great Barrier Reef. This reef alone constitutes 10% of the world’s ...
How an alternative grading system is improving student learning
Apr 25, 2021 · A small but growing number of chemistry professors are adopting an alternative grading system called specifications—or specs—grading. This approach is based on clearly defined learning ...
What’s in sunscreen, and how does it protect your skin from the …
Jul 21, 2021 · The active ingredients in sunscreens protect our skin by either absorbing or reflecting UV light. Currently, 16 sun-filtering ingredients are approved by the FDA. But sunscreen makers in the US ...
What’s in marshmallows, and how do the ingredients work …
Apr 2, 2021 · The two sweeteners are actually different. Sugar, or sucrose, is a disaccharide made up of one glucose and one fructose molecule linked together. Corn syrup is a mixture of the sugars dextrin ...