Related StoriesTOMS Bag Collection launched to address issue of maternal health worldwideObstetric care during Ebola epidemic are deeply challengingAssessing risk, growing reach: Innovative ultrasound created for front-line healthcare employees to greatly help improve maternal healthSpeaking at the release of the statement, U.N. Secretary-General Ban Ki-moon said, These results represent a tremendous decrease in human suffering and so are a very clear validation of the approach embodied in the MDGs.If something is more dense than water, it sinks. Hershey Kisses will sink, but a 3 Musketeers bar will not. Why not? It contains trapped atmosphere , so it is less dense than water. This density can be achieved by you test yourself on a variety of candies. Marshmallows, including Marshmallow Peeps, will float. Kit Kat bars will float also. Can you find others? The thing you need: Different candies, such as for example 3 Musketeers bars, Kit Kat bars, marshmallows, chocolate kisses, chocolate pretzels, hard candies, conversation hearts, candy corn, peanut butter cups, and gummi bears Cups or bowls of water What to do: Drop the candy in the water. Watch what happens: Does it sink or float? In case you have a 3 Musketeers bar, poke it to break the chocolate shell.