Sometimes we hear big news when things change. For example a sports team may get a new coach or a spacecraft may complete its mission. Sometimes things stay the same, but our understanding of them changes. Pluto has not changed any, but our understanding of it sure has. Similarly our understanding of something here on Earth recently changed, giraffes.
More Science Matters
Winemaking requires a delicate balance of agriculture, biology and chemistry. Physics and engineering also have roles in producing good bottles of wine.
Wine is the fermented juice of grapes or other fruits. Grapes contain two types of sugar, glucose and fructose, and other chemicals like tartaric acid, malic acid and amino acids. This gives grapes the right balance of chemicals to help preserve the wine and make it taste good.
Once the envy of the world, American schools are now in trouble. Test scores show our kids lag far behind their peers in other industrialized countries. In a new age of information, rapid innovation, and globalization, how can we prepare our children to compete? As the divide between rich and poor grows wider, how can schools today help students of all backgrounds meet the challenges of tomorrow?
We’ve all heard about clogged highways, cases of road rage, and large amounts of CO2 emissions, but scientists just did a study on yet another aspect of traffic. It turns out that the environmental and psychological stresses are not the only effects that cars are having on us. Recently scientists asked the big question, how does traffic impact your brain? Listen to this Question Your World radio report produced by the Science Museum of Virginia to find out.