For me “How long could I get away with driving like an ABSOLUTE ASSHOLE all the time before I lost my licence or had an accident.” Speed limits, red lights, stop signs… forget them all. Every day I have to drive sensibly and obey the law because without my licence I dont have a job, and every day I see at least one person driving like an absolute moron and I wonder…
Eugenics. Not the racist BS that was done in the past, but really pushing the limit to see if we can breed super humans. Genetic editing to make humans immune to cancer or disease. Increased lifespan. Resistance to radiation. Smarter. Stronger. Better.
Arguably, this kind of thing is actually somewhat of a necessity if we ever want to explore the stars. We are far too fragile in our current bodies to survive the difficulties and vastness of space.