SkyWatchTV Podcast: Sci-Friday - Zika Virus and Invisible Entities

The dangerous and rapidly spreading Zika virus is our top science story this week. It is believed responsible for thousands of birth defects in Brazil, where authorities are deploying genetically modified mosquitoes to slow the outbreak. Also: A company in Florida claims it's invented a new type of telescope that can see antimatter -- and they may be invisible entities conducting "unauthorized surveillance" over "sensitive areas".