Toxicology Primer – Safety Note by Flinn Scientific Canada

Every chemical in the academic laboratory can be toxic under some set of exposure conditions. However, the reverse is also true—every chemical has some set of exposure conditions in which it is not toxic. This fundamental toxicology principle is usually summarized in the saying “the dose makes the poison,” which dates back to the medieval physician and scientist Paracelsus born in 1493. Continue reading

The Cheerios Effect

Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages do the same thing.You’ve probably seen this surface tension and buoyancy at work, but did you know there’s some mind-blowing science behind it? What we learn in our cereal bowl even connects to the lives of tiny insects that walk on water. Continue reading