When Adam was in preschool, he was diagnosed with an autism…

When Adam was in preschool, he was diagnosed with an autism spectrum disorder. Several therapists would come to his home for 4-8 hours a day. He was taught to sit in a chair, respond to his name when called, use familiar gestures, and play with toys using imaginative skills through the use of rewards to shape successive approximations. What type of evidence-based treatment was he most likely receiving?

The Paris Accord is the first global agreement to address cl…

The Paris Accord is the first global agreement to address climate change.  It calls for highly developed countries to significantly reduce carbon dioxide emissions and less developed countries to stop increasing carbon dioxide emissions.  It has been signed by almost all United Nations countries. It will resolve this issue because the US has rejoined the agreement and all countries now have a legal binding agreement for the necessary carbon dioxide reductions.

The two major peace time nuclear disasters Fukushima and Che…

The two major peace time nuclear disasters Fukushima and Chernobyl were due to a loss of cooling water to the reactor causing  severe heat and tremendous steam pressure build up in the reactors.  This caused the heavy steel reactors to explode because of the steam pressure.   This resulted in the reactor core melting down and the release of huge quantities of highly radioactive material to the environment.  These instances resulted in largest wide scale radiation contamination events since World War II.