The Greater Cleveland Aquarium will team up with the United Black Fund of Greater Cleveland, Inc. (UBF) for a community fund- and friend-raiser that takes place from 10 a.m. to 4 p.m. today at the aquarium. Every guest who donates $1 or more to UBF today, Martin Luther King Jr. Day, will receive discounted same-day $10 admission to the Greater Cleveland Aquarium. In addition to regularly scheduled Sharks & Scuba talks and animal encounters, the aquarium will highlight African-Americans who played prominent roles in the fields of marine science and scuba diving. There will also be a MLK Day Search for Greatness scavenger hunt and the chance to win an annual family pass. UBF volunteers will be stationed in the aquarium lobby to take donations and provide discounted admission vouchers. Both adults and children will receive the general admission rate of $10 when donating at least $1. No presales are available. (Niesel)