In which John Green teaches you about war! Specifically, John talks about whether humanity is naturally warlike, hard-wired to kill, or if perhaps war is a cultural construct. John will talk about the Hobbes versus Rousseau debate, the...

When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size. They have no leader, and members interact only with their neighbors or...

This fascinating, colorful program uses common examples in nature to illustrate the process of competition. Whether it be plants in forests, fish on a coral reef, or birds in a meadow, living things compete for needed resources. Special...

Safari in the Kalahari Desert:Our journey begins with an exhilarating safari through the vast landscapes of the Kalahari Desert in Botswana. Experience the raw beauty of Africa as we traverse its expansive terrain, encountering diverse...

This video covers the history of the Trinity nuclear test in 1945, revealing how radioactive fallout from the explosion was unintentionally detected by Kodak through exposed film. It explains the impact of fallout on public health,...

Scientists have found a way to make it rain. But weather modification has its critics, and there may be unforeseen consequences surrounding the "cloud seeding" process. Earth Science - Weather - Learning Points. When silver iodide is...

Have you ever wondered why special offers have deadlines, and countdown timers have become ubiquitous on internet shops? This is what I call the ‘sale-must-end-on-Sunday’ principle, which works on our fear of missing out, due to...

What ideals are worth living and dying for? Could anything be so important? Emily Dickinson’s ‘I died for Beauty – but was scarce’ ponders the weight of human ideals and self-sacrifice. Enjoy this timeless masterpiece with our vibrant...

Mark encounters a feisty shingleback lizard on his first expedition to Western Australia! Unfortunately, the poor lizard is absolutely covered in blood sucking ticks…so Mark risks his fingers to try to remove them one by one. Will he...

In this video, we learn about Charles Darwin's journey on the HMS Beagle and how it led him to develop the theory of natural selection. Through examples of overproduction, competition, and variations within species, we understand how...

Upon viewing the Investigating Earth's Natural Resources video series, students will be able to do the following: Define a natural resource as anything we take from the environment and use. List natural resources commonly used...

This video discusses the concept of overproduction of offspring and the resulting competition within a species. It highlights how competition becomes intense when resources, such as food and living space, become scarce. This video is...

All the people in the world live on the same planet, which we call home. This program explains why Earth is precious and how it is being damaged. Special attention is paid to how we can conserve natural resources and care for the planet.

Dr. Bryan Ripley Crandall is Director of the Connecticut Writing Project and Associate Professor in the Graduate School of Education and Allied Professions at Fairfield University. His scholarly work includes the teaching of writing,...

Nicholas Wapshott suggests that modern economists would do well to remember the work of Keynes now, as they have strayed too far from the lessons of Keynes in pursuit of ever more refined modeling technique. In the same vein, modern...

Today's idioms are extremely useful for a variety of different IELTS Speaking questions about friends, neighbors, parties, work and technology. How can three phrases apply to so many IELTS topics? Listen and find out.

MOT 1935: MOSCOW, USSR, SOVIET UNION: Pastry display. Man pushing crate of lemons. Male trying on shoes. Automatic slicer slicing meat, butcher wrapping meat. CU Cash register ringing up sale. Consumerism, Russia, Communism, propaganda.

This video shows a discussion about the importance of choosing the right materials for handmade products, specifically leather bags. The speaker also mentions their passion for their craft and the energy they feel when creating...

Agriculture in Pakistan is dependent on irrigation from the Indus River. But over the years, these freshwater resources have become scarce. Today, it is one of the world’s most depleted basins. To tackle this,...

This video discusses the increasing scarcity and rising costs of certain natural resources, such as lumber and oil. It highlights the impact of limited supply on prices and the potential decline in oil production. This video is part of...

This video provides a comprehensive overview of African elephants, highlighting their physical characteristics, social structures, feeding habits, mating behavior, and communication methods. It emphasizes their immense size, their impact...

The video discusses the issue of water scarcity and its causes, particularly in India. It explains the different types of water scarcity and the indicators of a country facing water scarcity. The video also touches on the impact of...

Just about every culture, race and religion acknowledges the value of gold. Humans have been infatuated with gold for as long as we have recorded history. Millions have died for it, entire civilizations were build upon it and even many...

The Richest Man In History - The Science Behind GOLD