Kamri Noel asks marine biologist David Gruber to explain how submarines dive and navigate.

Every honeybee has a job to do. Some are nurses who take care of the brood; some are janitors who clean the hive; others are foragers who gather pollen to make honey. Collectively, honeybees are able to achieve an incredible level of sophistication, especially considering their brains are only the size of sesame seeds. But how are these jobs divvied up, and where do bees learn the skills to execute them?

Bees are important little critters. Not only do they make delicious honey - they help us eat so much of the food we love, and play a very important role in our environment. But they're under threat - and we need to help!

What is DNA? This video designed for kids is a fun/exciting way to introduce DNA to children. In this video kids will learn facts all about DNA, what it is made of, chromosomes, traits and much more.

What is DNA? Watch this video and learn some amazing facts