Clue No. 8
Clue No. 8 shows a photo of velcro. Though not invented (or even designed) by NASA, velcro did gain commercial success through NASA's application of its use on their space suits.
Hwang Woo-Suk (sounding ominously close to our efforts at solving this riddle) was a veterinarian who pioneered aspects (somewhat unethically) of stem cell research.
Then Ian mentions test tubes!
This leaves faffing around on Welsh farms?
Somehow this all relates to a make of helicopter the identity of which is becoming intriguing!
EoR