The purpose of this presentation is to provide a brief overview of the Ukrainian people as a "nation," their historic aspirations to "statehood," and their relationship with Russian empires.  It […]

Liquid water is so essential to life as we know it that when we look for life beyond our planet we always look for water. What is it about water that all life on Earth needs it? What is ‘pure’ water? Is water without anything in it safe to drink? What is the difference between […]

How has freedom of speech or press, helped or hampered science? “If liberty means anything at all, it means the right to tell people what they do not want to […]