China is engulfed in an extreme amount of pollution, and it's causing health problems for people living in this area! How can we help fight some of these diseases? Laci explains how broccoli could incredibly helpful when it comes to ridding the body of deadly toxins!
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China's toxic air pollution resembles nuclear winter, say scientists
http://www.theguardian.com/world/2014...
"Air pollution now impeding photosynthesis and potentially wreaking havoc on country's food supply, experts warn."
Bozeman video 10:26
Paul Andersen explains how life has evolved and continues to evolve today. A brief discussion of artificial, natural and sexual selection is included. The beak of the finch is used to explain how directional selection is achieved.
This is an animated demonstration of osmosis, specifically isotonic, hypotonic and hypertonic solutions. More educational videos can be found at: http://www.mcsdpodcast.net