(http://ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=B00FLHIV8U&Format=_SL250_&ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=mrdacom-20)(http://ir-na.amazon-adsystem.com/e/ir?t=mrdacom-20&l=as2&o=1&a=B00FLHIV8U)Jill Biden, author of Don’t Forget, God Bless Our Troops. Topic: The Second Lady of the US talks about being the mother of a deployed soldier and the effects of deployment on children. (http://ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=0761163743&Format=_SL250_&ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=mrdacom-20)(http://ir-na.amazon-adsystem.com/e/ir?t=mrdacom-20&l=as2&o=1&a=0761163743)Sean Connolly, author of The Book of Perfectly Perilous Math. Topic: Death-defying challenges for young mathematicians. Issues: How to defeat vampires using algebraic equations; destroy and out-of-control asteroid using geometry; escape an enemy spy using ratios and proportions; plus killer tornadoes, deadly spiders, zombies, and more.
No transcript available.