Cedar-apple rust is one of several plant diseases that are all caused by different species of a fungus called gymnosporangium. All of these diseases are referred to as gymnosporangium rust diseases.
Archives: Blue Sky
Why (and for how long) do butterflies stay in a cocoon?
Caterpillars start out as very small, tiny creatures. In the beginning they eat lots of food—just like the book “The Very Hungry Caterpillar”—and get bigger and bigger.
What precautions are recommended in regards to Zika virus and pregnancy?
Many people travel to areas that have active, ongoing transmission of Zika virus disease.
Why do we have wisdom teeth?
Wisdom teeth are the third set of permanent molars that typically come in between the ages of 17 and 25. Some people don’t form them anymore, and a lot of people that do need to have wisdom teeth taken out.
Why do the northern and southern lights only appear near the poles?
The formation of the northern and southern lights—known as aurora borealis and aurora australis—begins with solar flares from the sun. The solar flares eject groups of electrons from the sun that act as a wind and flow toward the Earth.