Someone else fill in the details.
A summary, based off the introductory paragraphs, and the last few sentences:
Berryz Kobo have another serialized column (starting from the next issue) where they will tackle... uh, challenges. Like cook-offs. And play "Onigoko" (hide and seek?) in the city.
Of course, the article was more on the things that these overly enthusiastic kids want to do:
Yurina wants to climb Mt. Everest, and tackle the world's longest water slide.
Miyabi wants to go surfing, and go horseback riding. (Something about taking care of animals, too.)
Maasa wants to go to London. (I'll bet she wants to see Baker Street ^_^)
Chinami wants to play with chimpanzees.
Risako wants to go skiing despite disliking the cold. (Go to Lake Tahoe [California], Risako. ^_^)
Saki wants to ride roller coasters.
Momoko wants to be a kindergarten teacher for a day, and try some composing.
They need to stop messing with Saki's hair. -_-==