Science is amazing, but it can involve doing some pretty weird stuff. Just in time for Halloween, here are seven science experiments that are creepy, scary, or just plain gross!
1. Scientist lets insect live inside her
2. Blood of young mice rejuvenates old mice
3. Pinpointing where fear lives in the brain
4. Shocking people to “death”
5. Of birds, aggression, and Dick Cheney
6. Reanimation with dead hearts