For jalapeños and other peppers, the pithy center is where most of the pungency comes from. It's also more bitter than the rear of the pepper. If you chop into quarters lengthwise, it's easy to cut the seeds and pith away from the flesh. You're the left with a milder, sweeter result.
... in case you're in an experimental mood.
Well, it's the aggregated opinion of people who use the site. Kalshi doesn't set the price; people making the bets set the price based on the odds others are willing to accept.
There's a sampling bias for sure, but since the odds given for this bet are based on how much people are willing to pay for that bet, this gives a very good approximation for how people actually feel about something.
It actually ends up being more reliable than most opinion polls in that way.