Scientist voluntarily endured world's most painful stings to rate them for you

Don't let its beautiful colors fool you: The tarantula hawk delivers one of nature's most excruciating stings, described as

Ever wonder what hurts more — a honey bee sting or a paper wasp's jab? Justin O. Schmidt did more than wonder. This intrepid entomologist volunteered to get stung by nearly every stinging insect on Earth to create what might be scie…