They have thick, dark-green skin and a wide base which tapers to a point. Poblano peppers are mild to medium-hot. Poblano peppers register between 1,000 and 2,000 Scoville heat units on the Scoville Scale.
You can look at crime mapping (well, in 14-day chunks) by neighborhood at http://141.157.54.34/bpdmaps/police.htm. JHU's main (Homewood) campus is in the Northern district. Abell, Charles Village, Guilford, Hampdon, and JH Homewood are all neighborhoods near campus. Most of those seem relatively safe, but it might be a good idea to compare if you're looking for a place to live.
CENTRAL CAMPUS (Uptown Charlotte) 1201 Elizabeth Ave; CITY VIEW CENTER (West Charlotte) 1609 Alleghany St; HARPER CAMPUS (SW Charlotte) 315 Hebron St; HARRIS CAMPUS (West Charlotte) 3210 CPCC Harris Campus Dr; LEVINE CAMPUS (SE of Charlotte) 2800 Campus Ridge Rd, Matthews; MERANCAS CAMPUS (North of Charlotte) 11930 Verhoeff Dr, Huntersville