September and October are the peak months for admiring fall foliage, the orange, yellow and red leaves. To understand why leaves change color, you have to start with the process of photosynthesis. All plants, including trees, have green leaves because of a compound called chlorophyll.
Archives: Blue Sky
Why does the moon have craters?
One reason the moon has craters because it gets hit by objects, small pieces of rocks that come from outer space. These are pieces of asteroids, comets that are flying around in the solar system.
How is a gummy bear made?
Gelatin is the basis of what makes a gummy bear a gummy bear, but we first start with sugar, corn syrup and water. Gelatin is thermoreversible, meaning that heat can turn it back into a liquid.
How can milk make so many different products?
Milk can make many products because of its complex chemistry and history. Early humans used milk and had to experiment with various means to preserve it and its nutrition content over time.
How does our brain think?
In order for your brain to think, you need nerve cells that can detect information about the outside world and can transmit that information to other nerve cells.