, 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.
Rait is one of only a handful of such castles still standing in Scotland, and the only one which is complete to the wall head and has no later additions. No longer visible beneath the vegetation are a courtyard with walls nine foot high and the remains of the Chapel of St Mary of Rait.ait is one of only a handful of such castles still standing in Scotland, and the only one which is complete to the wall head and has no later additions. No longer visible beneath the vegetation are a courtyard with walls nine foot high and the remains of the Chapel of St Mary of Rait.