It'd block the sun that a good beard could block if a good beard could block sun*
Sci is at Neurotic Physiology today, looking a study oh how much UV radiation protection you really get from a beard. But of course, you can't just use dudes with beards for this. No. No, you need a series of manikin heards with fake facial hair in your garden. For science, you know? Head over and check it out.
*How much wood could a woodchuck chuck?
The views expressed are those of the author(s) and are not necessarily those of Scientific American.
ABOUT THE AUTHOR(S)
Scicurious has a PhD in Physiology from a Southern institution. She has a Bachelor of Arts in Philosophy and a Bachelor of Science in Biology from another respected Southern institution. She is currently a post-doctoral researcher at a celebrated institution that is very fancy and somewhere else. Her professional interests are in neurophysiology and psychiatric disorders. She recently obtained her PhD and is pursuing her love of science and writing at the same time. She often blogs in the third person.
For more information about Scicurious and to view her recent award and activities, please see her CV ( http://scientopia.org/blogs/scicurious/a-scicurious-cv/)