for "teen kids news," i'm daniella. [ bat cracks ] [ cheers and applause ] the first dome stadium in mlb history was the astrodome in houston, texas, which housed the houston astros from 1965 to 1999. it was also the first mlb stadium to ever use artificial turf, which explains the term "astroturf." because of the success of the different major league teams that play their home games in domed ball parks. >> knowing what to do in a medical emergency can be life-saving. that's why knowing first aid is so important. >> little miss muffet had it right.tle miss muffet had it when that spider sat down beside her, she ran away. and while many of us would do exactly what little miss muffet did, for the most part, spiders are harmless, right? >> in the u.s., the vast majority of spiders are not dangerous to humans. >> so if we're bitten by a harmless spider, do we need to apply first aid? >> yes, wash that spider bite with soap and water two or three times a day until it heals. also, you can apply a cold compress, which is basically just an ice pack. just make sure that there is a piece of cl