Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.

Large cities are often hotter than their rural surroundings, so what does that mean for city animals? At least for ants, it looks like these city dwellers may be better prepared to take the heat.

When you think of kangaroos, you may just think of a hopping furry creature that has a pouch... but there is so much more to learn about them. Let's jump into the lives of kangaroos.

The Arctic is changing faster than many other ecosystems. This habitat is in danger, as are the animals that live there, and the peoples whose lives have always depended on the lands and food webs of the Arctic. One of the best ways to help save it is to learn more about it.

Growing cells outside our bodies in tiny plastic dishes might seem a bit complex. But scientists have been doing this for many years now. It has opened our eyes to the bustling life inside our tiny cells and has led to some life-saving technologies.