For decades, we’ve heard how terrible fat is for us, but more recently, sugar has become the new villain. What does the science actually say about these two macronutrients and how they affect our health? Hosted by: Olivia Gordon
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 … Continue reading
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 … Continue reading
Once a completely natural product, much of today’s plastic is man-made and largely dependent upon fossil fuels. From polymers to nurdles, learn how plastic is created and what we can do to slow the lasting repercussions this material will have on both our planet and our lives.
Physics Girl astrophysics series – Brown Dwarfs are among the most recently observed objects in the universe. They have at MOST 8% the mass of the Sun. The lower mass boundary is not known! So they are halfway between stars and gas giant planets. Astrophysicist Daniella Bardalez Gagliuffi sits down with Dianna Cowern to discuss … Continue reading
Show students a “special” balloon that doesn’t pop when exposed to a flame. Students will come up with very clever ideas for why the balloon doesn’t pop. But, when all is said and done, the “magic” is the result of important scientific principles involving specific heat capacity and heat transfer.