Unfortunately, I'm stuck on the last caption. I can't find anything for まつゆる that's less than a wild guess, and I'm not going to base a translation on that.
Mythbusters in Gensokyo. They will become renown scientists within a few days.
With that said, doesn't the first myth imply that Wriggle can run at 270 km/h?
After that, the two of them confirm the myth in good old Alameda.How's it feel?According to myth, if a cockroach were the size of a human, it could run at about 270 km/h.For information......speed...In order to verify this, they decided to enlist the aid of a local reporter.Wowww! Did you see that just now?Look at 'er go.Did you know this?Yeah, I'd heard.Did you know this?ゴキブリThis I hadn't heard of.The Story So Far ⇨ Xylish: It's what kids who say it's natural to put it in your mouth, chew well and swallow keep in hand. Xylish is a xylitol-sweetened brand of chewing gum from Meiji Confections....is life. Posing in the shape of the kanji 命 (Life) is a signature gag of comedian Gorgo Matsumoto.
Awful.Meanwhile, the other three confirm the myth connected with danmaku.