How Much Is an Ecosystem Worth?

Students explain and discuss the importance of ecosystems. They analyze the natural resources in the environment. They also suggest actions that would protect ecosystems.

When judging diversity of an ecosystem, both species evenness and species richness must contribute. After a discussion of diversity and a guided example using the Shannon-Weaver function, scholars use the same function on two other...

How much information can we process? How much information is stored inside us? These questions, and many more, inspired an inquisitive installment from a larger video series. From verbal and written language to DNA and computers,...

In the past century, the global temperature has climbed 10 times faster than the average rate of Ice Age recovery warming. The fifth video in a series of seven on factors that affect climate change discusses just how much global warming...

How do you put 4.5 billion years into terms that young scholars can understand? Use your arms! Examine just how long our Earth has been around in a short video. The content includes the appearance of single-celled, then multicellular...

No question is a silly question! Vsauce is a website that investigates strange questions. Founder and science educator, Michael Stevens, explains the value of the such questions to an audience and demonstrates by working through the...

There are millions of plant and animal species on the planet, but why do we need so many? Follow along with this short video as it explains how biodiversity helps strengthen ecosystems, allowing them to adapt to change so that life...

Climate change has happened throughout the history of the planet, and the video uses examples from continental drift to modern airplanes as measurable examples. It begins with how climate change will impact systems on the planet. Then it...

Explore the role of feedback loops in maintaining nature's delicate balance with this short science video. Introducing the concepts of positive and negative feedback, multiple examples are presented that explore the intricate web of...

People associate calories with food, but what is a calorie? Young scientists measure the number of calories in samples of food to better understand the concept. They test a variety of samples, take measurements, and compare their results...