This is an easy way to determine your blood type and help other people, all at once! Find a local donation center or wait until your school, church or community center hosts a blood drive. When you go in, ask the staff if they can tell you your blood type when you're done.
Rebuilding Haiti: Still a work in progress. Five years after a 7.0-earthquake shattered Port-au-Prince and most of its surrounding cities, Haiti is still struggling to rebuild amid a political crisis and disappearing donor funding.
As it happened: Haiti earthquake 13 Jan Live coverage following the earthquake in Haiti. We will be bringing you news, insights from BBC correspondents, some of your e-mails and Twitter updates, and the best of the blogs.