You may think rats are just vermin, but the fact is they own huge metropolitan cities like New York. And when it comes to science they've contributed an immense amount of data (although not voluntarily). Find out how similar rats are to humans and whether or not they're capable of empathy in this episode of the Stuff to Blow Your Mind podcast.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices
