The principal purpose of soil is to provide mineral nutrition for the plant.
Archives: Blue Sky
How do scientists find fossils?
There are a number of steps that go into a researcher finding a fossil, something I spend a majority of my summer doing. First you have to figure out what kind of fossil you want to find.
What’s the science of leap year?
2016 is a leap year, meaning we insert an extra day, February 29, into the calendar. We do this once every four years in order to keep our calendar aligned with the Earth’s seasons.
Do you think there’s life on other planets?
The short answer to the question is that we don’t know. The closest planets to Earth are located millions of miles away, so it’s very difficult to go off and find evidence directly.
How is spider silk made?
Spiders have silk-producing glands in their bodies, specifically in their abdomen. In these glands they have the chemical components already put together to produce silk, but it’s in a liquid form.