Browsing Tag
chemistry
129 posts
It’s not just rocket science – hidden chemistry powers Moon launches and sustains life in space
SpaceX, CC BY-NC Curtis Ho, University of Tasmania Many around the world will watch eagerly this Saturday as…
How to destroy a ‘forever chemical’ – scientists are discovering ways to eliminate PFAS, but this growing global health problem isn’t going away soon
How long do we really need chemicals to last? Sura Nualpradid/EyeEm via Getty Images A. Daniel Jones, Michigan…
5 drugs that changed the world (and what went wrong)
Shutterstock Philippa Martyr, The University of Western Australia It’s hard to measure the impact of any one drug…
What is a semiconductor? An electrical engineer explains how these critical electronic components work and how they are made
A silicon disc, or ‘wafer,’ yields dozens of semiconductor chips. Steve Jurvetson/Wikimedia Commons, CC BY Trevor Thornton, Arizona…
Mixed messages: Is coffee good or bad for us? It might help, but it doesn’t enhance health
The chemical properties of coffee are what produce its waking-up effects. (Shutterstock) Thomas Merritt, Laurentian University Coffee is…
Do You Know All the States of Matter?
Some of you may remember the three states of matter: solid, liquid, and gas. Others who studied a…
Food expiration dates don’t have much science behind them – a food safety researcher explains another way to know what’s too old to eat
Without obvious signs of contamination like the mold in this jam, consumers use expiration dates to decide whether…
How Nigeria can turn its huge cashew waste into valuable citric acid
Cashew apples. VW Pics via Getty Images Agbaje Lateef, Ladoke Akintola University of Technology, Ogbomoso and Adekunle O.…
Where Does the Candle Wax Go?
Light a candle, and a flame starts while some smoke goes up. However, leave it on for long…
What is BPA and why is it in so many plastic products?
Most plastic products that are clear and strong are made using bisphenol A, or BPA. Beton Studio/iStock via…