Animals Getting Bigger, and How Cannabis Causes Hunger

SciShow News delves into the history of marine animals and finds that they’re getting bigger, and unlocks the secret of how cannabis creates one of its most medically useful effects.

Hosted by: Michael Aranda

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Sources:

http://www.sciencemag.org/lookup/doi/10.1126/science.1260065

http://www.eurekalert.org/emb_releases/2015-02/ssoe-att021215.php?site_version=e4

http://www.jstor.org/discover/10.2307/2407115?sid=21105876096233&uid=2&uid=4