Why mosquitoes nibble some more than others

According to the Smithsonian, mosquitoes do bite some people more than other sand it may have to do with your blood type.

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!