The itching rash caused by Poison Ivy, Poison Oak, and other related plants is caused by a substance called urushiol. What function does urushiol serve in these plants?


In the Southeastern United States, Kudzu vines grow so fast that it seems you can almost see them grow. Still, it is not the fastest growing plant. Which plant is?

Food Web Tag

Grasshopper on flower

Food Web Tag is a classic game that helps people understand how food webs work, letting them see how changing one thing can cause changes across the food web. You can play with as few as 5or 6 people, but it is much better if you have at least 15. To try this, you will need:


Plants and parasites
While driving home from town, we noticed that some of the plants along the road were covered with what looked like yellow string. What is it?


Bird feeder and grass-like plants
We use a wide variety of food sources to attract wildlife to our yard. These goldfinches are enjoying thistle seeds. The oranges and watermelon are treats for the orioles and grosbeaks. The plants under the feeder are another food source. What kind of plants are they?


We have been finding these clusters of sprouts all around the yard. They are always the same kind of plant. What are they, and why do they grow this way?