Fireworks can be characterised as self-contained explosive devices which contain a mixture of many components such as oxidising agents, fuels and metal salts. We often associate fireworks with celebration, but the first fireworks were used to warn off evil spirits. Simple firecrackers are thought to have been developed around 1000 years ago by Chinese monk … Continue reading How do Fireworks Work?
photo from: https://www.superdrug.com/blog/beauty-manuals/the-ultimate-guide-to-applying-fake-tan As discussed in a previous blog post (https://glamsci.blog/2019/04/23/how-does-sunscreen-protect-our-skin/), prolonged exposure to harmful UV rays can be very dangerous, but even with this knowledge, many people still desire sun-kissed skin. A safer alternative to sunbathing or using a sunbed is fake tan, a cosmetic product that uses chemicals to temporarily darken the skin, … Continue reading The Chemistry of Fake Tan
Coriander, often referred to as cilantro in North America, is a herb native to southern Europe, northern Africa and southwestern Asia. Coriander is thought to be capable of lowering cholesterol,1 as well as treating fevers, nausea and stomach disorders,2 and is a popular herb of choice in both Indian and Spanish cuisines. It is also … Continue reading Why do Some People Think Coriander Tastes Like Soap?