One Blink Away from Healing Blindness

This week in Geek: Solar powered digital eye implants give sight back to the blind, the world's tallest LEGO tower built by 4,000 4-year-olds and a fungus that can actually break down plastic to solve a world of problems.

Resistance is futile! This week, we cover Solar powered digital eye implants, the world's tallest LEGO tower (it really is quite huge) and a fungus that breaks down plastics.