Got a few minutes to kill online? Here's a great way to increase your knowledge and help end hunger: Freerice.com. For each correct answer, 10 grains of rice are donated through the UN's World Food Programme. Subjects available are English, maths, geography, and more.
Got 10 right answers? 100 grains. 100 answers? 1000 grains. Well, you get the idea! And remember that a cup of uncooked rice contains about 6000 grains.