Why are Mexico's strict gun laws not effective in preventing gun-related crimes by cartels?

Will the widespread use of real-time translation apps eventually make the effort of learning Hindi unnecessary for foreigners?
How do you connect what you're learning in medical school to real-life patient care to keep your motivation high?
How do you end a relationship when you find out your boyfriend lied about his whereabouts? He’s now using manipulation and gaslighting to dilute my reality.
What was the most surprising thing a stranger said to you after a public encounter ended?