As a scientist and professor, I give 40-50 presentations a year. They aren't always knock 'em dead TED talks, but I'm confident I hit more than I miss. That alone is pretty impressive given my [former] crippling fear of public speaking (glossophobia). You might have noticed that I started doing science in 1999, yet my first public presentation wasn't until 2009. It took me ten years and two kids to finally get over my fear. I even started a website (Your Next BIG Speech) to help others with similar anxiety. Here are most of the things I've spoken about since that first talk...