1. A theory based on Dr. LaViolette’s studies on cosmic rays of stardust named superwaves that bombarded the Earth approximately every 14,000 years. Dr. Twins claimed that they were responsible for major global climatic changes and advanced that the last of those superwaves had not only initiated the end of the ice age in Eurasia, but had also turned a previously tropical region into today’s arid and desert Saharan region extending up to the Nile Valley. 

2. A classic arcade video game.