Episode #181 -- Tokyo Subway Gas Attack

Friday, March 20, 2015.  Twenty years ago today, a group of religious cultists carried out an attack using sarin nerve gas on the Tokyo subway system.  This attack killed at least a dozen people and injured thousands.  The leader of the Aum Shinrikyo cult, along with many of his followers, are on Japan's death row and could be executed as soon as next month.

I talk about my reactions to the gas attack twenty years ago, and consider why those reactions haven't changed much in the twenty years that have passed.  I also consider why we need to remember events like this, as much as our human nature might drive us to forget.

 

Direct download: 20yearsago_181_03202015.mp3
Category:podcasts -- posted at: 12:00pm EDT
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Episode #180 -- Chickenpox Vaccine

Tuesday, March 17, 2015.  Twenty years ago today, the Food and Drug Administration approved a vaccine for varicella (pictured here), the virus which causes chickenpox and shingles.  I talk about the vaccine and a bit about my own experiences with it -- I've had the vaccine, because I never had chickenpox as a kid.  

 

Direct download: 20yearsago_180_03172015.mp3
Category:podcasts -- posted at: 12:00pm EDT
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Episode #179 -- Mikhail Gorbachev

Wednesday, March 11, 2015.  Thirty years ago today, Mikhail Gorbachev became the leader of the Soviet Union -- and, as it turns out, the last.  Today, I'm taking a step back thirty years to look at what turned out to be one of the most pivotal events of our lifetimes.  There is an entire generation of young adults alive today who have no memory of the Cold War!

 

I also have a shout-out for the womeninpodcasting.org website.

Direct download: 20yearsago_179_03112015.mp3
Category:podcasts -- posted at: 12:00pm EDT
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Episode #178 -- Top Quark Discovered

Monday, March 2, 2015.  Twenty years ago today, scientists at the Fermi National Accelerator Laboratory announced the discovery of the top quark, the last of the six quarks predicted by current atomic theory.  I talk a little about the top quark, about my own love of science through my life, and how I ended up, quite unexpectedly, with a career in science and technology.

If you would like your very own plushie top quark like the one shown here, you can get them from The Particle Zoo.

I also have one more shout out for the Past Daily website.  They're in the last hours of a fundraiser on which the very existence of the site depends. Please check it out and support the site if you can.

Direct download: 20yearsago_178_03022015.mp3
Category:podcasts -- posted at: 12:00pm EDT
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Episode #177 -- Yahoo!

Sunday, March 1, 2015.  20 years ago today, one of the first big Internet companies, Yahoo! was incorporated.  Yahoo! began as a directory of websites, and back in the day was a useful tool for gathering information from the Web.  I talk about the experience of searching the Web for information when Yahoo! was young, and how the site changed as the Web exploded during the later 1990s.  The image at the right is the Yahoo! logo from 1995.

I also have a shout-out for the website Past Daily, who needs our help to keep doing what they do -- sharing audio from the beginning of the 20th Century to the present day with the world.  Go check them out!

 

Direct download: 20yearsago_177_03012015.mp3
Category:podcasts -- posted at: 5:55pm EDT
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