Bats are very social, and by reading their brains we can see them reacting in real time to the calls of other bats. When you have thousands of bats calling at the same time, how easily can they know who is who, or separate a friend from a stranger?
Play Beat the Heat Staying safe in the heat is more than just a game, it can be a life saver. Luckily, you can see if you have what it takes to stay cool in a hot situation in this game. Tackle quests, find tips, and learn about heat strategies while you keep your cool in Beat the Heat. Also in: Español
Play Garden Gene Genius Our genes control much of how we look and who we are. But do you really know how genetics work? Take a moment to gather some genetic seeds as you learn about Punnett squares, alleles, and more in Garden Gene Genius. To learn more about genetics and DNA, visit DNA ABCs.
Sometimes, despite trying really hard, a person is unable to get pregnant. Scientists and doctors have come up with ways to help. Learn about one of those methods, which is called in vitro fertilization, or IVF.
Play the Cell Size SIM Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are different than they should be? The size of the nucleus versus the size of the cytoplasm in a cell is an important measure – it can tell us if something might be wrong with that cell. Explore more about this "NC ratio" in Cell Size SIM. To learn more about cells, visit The Building Blocks of Life.