Author Biography: pdk42

This quiz will illustrate how serendipity plays a role in scientific discovery and invention. It will discuss the "Wow" moment when the light bulb went on for the inventor/discoverer and the world was a better place for it.

We use numbers every day. Answer the following questions by selecting the correct number. See the pattern and the answers will come easily!

English is rich in idioms and sayings. Some of these are centuries old. Follow me on my walk through some of these.