Today Hank talks with Dr. Cara Nelson about invasive plants that use toxic chemicals and rapid reproduction to outcompete native plants, and Jessi brings some adorable invasive birds. Dr. Nelson is a professor of Restoration Ecology at...

Some believe that increased carbon emissions could produce faster growing plants, but some scientists worry that it could mean more toxic and invasive species.

How Fire Ants Took Over America



Fire ants are several species of ants in the genus Solenopsis, which includes over 200 species. Solenopsis are stinging ants, and most of their common names reflect this, for example, ginger...

The competitive exclusion principle predicts that there would just be a few species of plankton, but instead there are thousands.

The water hyacinth may look like a harmless, even beautiful flowering plant -- but it's actually an invasive aquatic weed that clogs waterways, stopping trade, interrupting schooling and disrupting everyday life. In this scourge, green...

From the bell that hasn't stopped ringing, to observing evolution in action, SciShow presents 6 of the Longest Experiments Ever.

Our food systems have not been designed to adapt to major disruptions like climate change, says environmental journalist Amanda Little. In this eye-opening talk, she shows how the climate crisis could devastate our food supply -- and...

Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth's jungles, oceans and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark...

A song of ants and fire and ant-decapitating flies.

Howcast -Take care of your garden by learning to recognize and use the right tools to spruce up your yard.

Buttery, nutty, and a bit bitter, fava beans are a great addition to your dinner table. Grow these beauties in your garden for a delightful new protein.

Though once a household cleaning staple, borax (aka sodium tetraborate), fell out of favor as other more modern cleaning products took center stage. But the powdery white mineral has recently regained some of its market share, due to...

Discover how Tama Matsuoka Wong, a forager for Michelin-star chefs, transforms wild plants like sumac and cattail shoots into gourmet ingredients, bridging nature and culinary artistry.<br/>

Dr. Forrester explains some of the differences between working as an individual and within a group. She also talks about leaders and followers.

A terrarium is an enclosed ecosystem which can be entirely self-sustaining. Once set up and watered, you will never need to open it again since it will regulate its own water and nutrient cycles. Observe how the plant life changes and...

This video explores Gertrude's use of the word "weed" in Act 4, Scene 7 of Shakespeare's Hamlet. It clarifies how "weed" referred to plants growing by a river and also to mourning attire.

This video covers:

- How we can use plant hormones to control growth in pl
ants
- How we can use Auxins to stimulate plants to grow, or k
ill weeds
- Uses of Gibberellin to control dormancy, induce flowering and...

This video tells the story of The Clubhouse, written by Jennifer Tkocs.

“I Recall: Part 2” reviews characters, setting, and events and asks questions about these story elements after reading the story “The Clubhouse.”

After watching this lesson, you will be able to support your discussion of Hamlet’s themes with detailed textual analysis! This lesson unpacks the most famous and significant quotes uttered by Hamlet, the main character. These quotes...

Learn about the nutrient profile of buckwheat and how it helps our bodies stay healthy.<b<br/>r/>

Buckwheat part 2/5

Clare Gerada was elected to lead the Royal College of General Practitioners in 2011, and represented over 40,000 doctors. She was the first female Chair in fifty years. She trained in psychiatry and maintains an interest in the treatment...

Professor Tim Flannery investigates how seaweed is helping to save the world. From growing the foods of the future, helping clean polluted water and even combating climate change. What does Rocky De Nys do with all the seaweed he's...

The example used in this video is the growth of plants over several years. The video highlights the importance of understanding the initial values, the relationship between time and growth, and how to analyze the data to draw conclusions...