, Materials Science undergraduate, Batman and Doctor Who fanatic. Yes, he has at least two degrees. He mentions it to Rita in The God Complex. I don't have a video link to the same but this would help:
DEET (chemical name N,N-diethyl-meta-toluamide) is used as the active ingredient in many insect repellents. Insect repellents that contain DEET offer the best protection against mosquito bites.DEET is designed for direct application to skin to repel insects, rather than kill them.EET (chemical name N,N-diethyl-meta-toluamide) is used as the active ingredient in many insect repellents. Insect repellents that contain DEET offer the best protection against mosquito bites.
Currently registered uses of DEET are also not expected to result in adverse effects for listed and non-listed endangered species, or critical habitat. As such, EPA concludes âno effectâ for listed species and no adverse modification of designated critical habitat for all currently registered uses of DEET.