Questions with the keyword 'invented'

• When was nylon invented and do the letters NY and LON stand for New York and London? by nickimicki to Jim Comments: (No comments so far )
• Have you invented any medicines? by and 1 other. to Prateek, Liz Comments: (So far, one comment )
• Have you invented anything? by and 1 other. to Amelia, Jim, Liz, Prateek, Richard Comments: (No comments so far )