Be Smart

Life by the Numbers

Season 1 Episode 1 | 4m 26s

How successful are we compared to other species? It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and get ready for some mind-blowing numbers!

Aired: 03/05/13

Rating: NR


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