WASHINGTON, June 21, 2022 — Distilling liquor might be a relatively simple process — heating a fermented liquid and keeping only the boiled alcohol — but it is dangerous and illegal without a license. To extract only alcohol from a mixture of many ingredients, scientists must explore boiling points and the intermolecular forces that shape […]
American Chemical Society
Posted inLife
We made our own Pop Rocks®-style popping candy, so you don’t have to (video)
WASHINGTON, Jan. 3, 2022 — Pop Rocks® is a popular brand of popping candy manufactured and sold by Zeta Espacial S.A. The candies are just sugar and carbon dioxide, but making your own version of them at home is harder than it looks. In this video, we use three different methods to try to capture […]
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We used science to make better pizza, featuring Peter Reinhart: VIDEO
This week our host, Sam, chats with renowned baker Peter Reinhart and learns how a couple of small chemistry tweaks can transform a terrible pizza into an amazing one: We show you how two simple changes can turn cardboard-y pizza into award winning pie (okay, award-winning might be a slight exaggeration, but we awarded ourselves […]
Posted inEnviro
How is it raining plastic?! (VIDEO)
Every year, more than 1,000 tons of plastic rain down onto national parks and wilderness areas in the western U.S. In this week’s episode, we talk about where that plastic comes from, and we look for it in rain that falls on Washington, D.C.: Reactions is a video series produced by the American Chemical Society […]
Posted inSci/Tech
Toward one drug to treat all coronaviruses
Safe and effective vaccines offer hope for an end to the COVID-19 pandemic. However, the possible emergence of vaccine-resistant SARS-CoV-2 variants, as well as novel coronaviruses, make finding treatments that work against all coronaviruses as important as ever. Now, researchers reporting in ACS’ Journal of Proteome Research have analyzed viral proteins across 27 coronavirus species and thousands […]
Posted inSci/Tech
Sous vide cooking method makes beef protein more digestible
Once used to prepare cuisine in only the finest restaurants, sous vide is now making its way into home chefs’ kitchens. French for “under vacuum,” the technique involves vacuum sealing food in a plastic pouch and then slowly cooking it in warm water. Now, researchers reporting in ACS’ Journal of Agricultural and Food Chemistry have […]
Posted inSci/Tech
Brown carbon ‘tarballs’ detected in Himalayan atmosphere
November 5, 2020 – Some people refer to the Himalaya-Tibetan Plateau as the “third pole” because the region has the largest reserve of glacial snow and ice outside of the north and south poles. The glaciers, which are extremely sensitive to climate change and human influence, have been retreating over the past decade. Now, researchers […]
Posted inEnviro
Regional variations in freshwater overconsumption
Sept. 2, 2020 – Freshwater –– which falls to the earth as precipitation or exists beneath the surface as groundwater –– is desperately needed to sustain people, plants and animals. With an ever-increasing human population, water shortages are already occurring in many areas are only expected to get worse. Now, researchers reporting in ACS’ Environmental Science […]
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COVID-19: A wake-up call to rebalance the drug supply chain?
Over 80% of chemicals used to make pharmaceuticals sold in Europe originate from China or India, according to the European Fine Chemicals Group. When COVID-19 emerged in Wuhan and spread across the globe, experts worried about disruption of the drug supply chain. Now, nations are rethinking their dependence on other countries for pharmaceutical ingredients and […]
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Can soap really ‘kill’ the coronavirus? (VIDEO)
WASHINGTON, March 23, 2020 — Constantly being told to wash your hands? Us, too. So we’re diving into the chemistry behind why soap is so effective against viruses like the coronavirus that causes COVID-19: Reactions is a video series produced by the American Chemical Society and PBS Digital Studios. Subscribe to Reactions at http://bit.ly/ACSReactions and […]
Posted inEnviro
PFASs from ski wax bioaccumulate at Nordic resort
March 17, 2020 – A recent study suggests that ski wax applied during winter months could have consequences that stretch to summer and beyond. Researchers reporting in ACS’ Environmental Science & Technology have found that certain perfluoroalkyl substances (PFASs) found in ski wax bioaccumulate and biomagnify in the food chain at a Nordic skiing area. PFASs are […]
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Which of these mushrooms could kill you? (video)
WASHINGTON, Dec. 27, 2019 — There are tens of thousands of mushroom species out there, and some of them could kill you. Today we’re going to test how well you can distinguish between perfectly safe and perilously poisonous, and we’ll dive into the chemistry behind what makes seemingly identical species so different: Reactions is a video […]
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What will you do with your body after you die? (VIDEO)
WASHINGTON, Dec. 20, 2019 — After you die, your body has quite a few options –– from being turned into a diamond to helping solve a murder. This week, let us break down the possibilities so you can rest easy Reactions is a video series produced by the American Chemical Society and PBS Digital Studios. […]
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Yule log chemistry trivia – 4 hours of cozy fireplace for your nerdy holiday parties (VIDEO)
WASHINGTON, Dec. 12, 2019 – Ready to kick back and relax by the fire this holiday season? We’ve got you covered. Enjoy our chemistry-themed yule log trivia with a cup of hot cocoa at home or at the annual ugly sweater party: Reactions is a video series produced by the American Chemical Society and PBS […]
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What you don’t know about these cute animals could harm you (VIDEO)
WASHINGTON, Nov. 08, 2019 — Don’t let their cuteness fool you — these animals are not to be messed with. This week on Reactions, we break down the chemistry behind what makes these adorable critters deadly: Reactions is a video series produced by the American Chemical Society and PBS Digital Studios. Subscribe to Reactions at […]
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Vampire folklore has more chemistry than you’d think (VIDEO)
WASHINGTON, Oct. 31, 2019 — Halloween season wouldn’t be the same without the undead. This week on Reactions, we unpack the chemistry that might have inspired one of our favorites: The vampire. Reactions is a video series produced by the American Chemical Society and PBS Digital Studios. Subscribe to Reactions at http://bit.ly/ACSReactions and follow us […]
Posted inLife
How to make magnetic slime (VIDEO)
WASHINGTON, Oct. 11, 2019 — This week on Reactions, we explore the chemistry of slime. Check it out to learn how you, too, can use easy-to-get items to make magnetic and colored slime: Reactions is a video series produced by the American Chemical Society and PBS Digital Studios. Subscribe to Reactions at http://bit.ly/ACSReactions and follow […]
Posted inLife
How much does a cloud weigh? (VIDEO)
WASHINGTON, Sept. 69, 2019 — Imagine 300 midsize cars floating above your head –– that’s how much your average fluffy cloud weighs. So why doesn’t it come crashing down on you? This week on Reactions, we explore the chemistry behind how a cloud stays aloft in the sky, and how it got there in the […]
Posted inRegional
Why are we dumping fertilizer on wildfires? (video)
WASHINGTON, Aug. 1, 2019 — When wildfires break out on hot, windy days, they pose a serious threat to people and the environment. This week on Reactions, learn how firefighters are using fertilizer to keep dangerous blazes at bay: Reactions is a video series produced by the American Chemical Society and PBS Digital Studios. Subscribe […]
Posted inLife
Why does the moon smell like gunpowder? (video)
WASHINGTON, June 21, 2019 — After walking on the moon, astronauts hopped back into their lunar lander, bringing the heavenly body’s dust along with them on their spacesuits. They were surprised, and perplexed, to find that it smelled like spent gunpowder. This week on Reactions, learn why moon dust might smell like the aftermath of […]