A vaccine is meant to train your immune system to recognize a virus so it can fight off that virus if you ever come in contact with it.
Archives: Blue Sky
What’s going on in the brain when people sleepwalk?
When we sleep we go through different types of sleep stages. You have slow-wave sleep, which is like your deep sleep, and then there’s dream sleep, which is called REM sleep.
How do hovercrafts work?
To understand how a hovercraft works, we have to understand a few things about matter. We, and all ordinary matter, are made of little tiny things called atoms and clumps of atoms called molecules.
How did animals evolve from water to land?
Water to land evolution is a complex question, and one that is still actively researched today.
Why do supercomputers have to be so big?
We need supercomputers because scientists are doing really awesome work that requires lots of computing time. For some of this work, if we weren’t using supercomputing to break up tasks and make processing faster, it would take years or decades to complete.