The human brain is, for want of a better word, ginormous. Sure, it’s only about as big as a cantaloupe, but it’s made of the hungriest cells in the human body. Keeping the brain supplied with energy is a huge challenge. In my new column in Discover, I describe how scientists have discovered some of the molecular tricks we’ve evolved to feed our neurological beast. Check it out.
Originally published July 26, 2011. Copyright 2011 Carl Zimmer.