SciTech Now: Episode 315
Testing the top virtual assistants. Plus, scientists at Penn State are joining forces to fight childhood obesity.
More Episodes


The science behind riding a bike. Making new material from mushrooms. Perfecting photosynthesis.

See how scientists at Penn State produce and plan an award winning show that educates an audience and develops future standouts in the world of meteorology; Epidemiologists in North Carolina track the evolution and geographic spread of Zika; Science Friday shares insights about the mysterious octopus; and much more!








