Explore the serene beauty and essential roles of trees on a hot summer day under the shade. Discover how trees, from providing oxygen and fruit to aiding in medicine, impact our environment and our health. Dive into the fascinating...

Review the critical concepts of how matter and energy interact in natural systems. This video summarizes the energy processes in organisms and ecosystems, highlighting photosynthesis in plants, energy transfer through food consumption,...

Unveil the secrets of how plants harness sunlight to create energy through the process of photosynthesis. This video delves into the roles of chlorophyll and chloroplasts in converting water, carbon dioxide, and sunlight into glucose...

Explore how chemicals like chlorofluorocarbons (CFCs) impact the ozone layer, which acts as the Earth's natural sunscreen by absorbing harmful ultraviolet rays. Understand the environmental consequences of ozone depletion, including...

Explore the science behind astounding tricks seen online, such as eggs that bounce and excessive foam from simple reactions. This segment explains how everyday chemistry and physics contribute to these seemingly miraculous occurrences,...

Dive deep into the world of free divers like Stéphane Mifsud, who can hold his breath for over 11 minutes underwater. This segment explores the physiological and mental training that enables such incredible feats, including enhanced...

Journey through a series of astonishing internet tales, from spiders that seemingly spawn dozens of offspring when crushed to living keychains and plants growing in human lungs. As we debunk or verify each story, we discover...

Explore the multifaceted benefits of regular exercise beyond just physical fitness. This documentary dives into how sports enhance immune function, boost memory, and increase overall brain health. Featuring comparisons between an...

Masks and social distancing made the common cold nearly disappear, but now these viruses are back with a vengeance. RSV is filling up emergency rooms, and flu season is off to a roaring start, too. It’s the worst season of respiratory...

The "25 Verde" building uses luxurious vegetation as a natural barrier against urban pollution, featuring 22 plant species selected and acclimatized by landscape designers. The plants, a mix of local and exotic varieties, thrive in the...

Dr. Forrester provides information about the variety of natural resources on our planet. She explains how some of those resources are renewable, such as water, sun, and wind, while others are nonrenewable, such as oil, natural gas, and...

Dr. Forrester explains what a plant needs to grow: water, light, air, and minerals.

Dr. Forrester explains different types of pollution: water, air, and noise.

Dr. Forrester teaches about your respiratory system and digestive system.

Dr. Forrester explains how to categorize things into living and nonliving. She also discusses the relationship between plants and animals.

Dr. Forrester teaches about your circulatory system and muscular system.

It is not as easy to manufacture water as it appears. Combining hydrogen and oxygen atoms—the two constituents of water—releases tremendous energy. When combined chemically, these highly flammable gases produce large explosions, as...

Cory Richards, a former professional mountain climber and National Geographic photographer, has transitioned into writing, focusing on his experiences with mental health. His memoir, "The Color of Everything," delves into his journey...

Cory Richards, a former National Geographic photographer and professional mountain climber, reflects on his experiences summiting Mount Everest without oxygen in 2016. Despite the accomplishment, he realized that his pursuit of climbing,...

Double replacement chemical reactions, also known as precipitation reactions, are reactions where 2 elements are replaced. But you have to make sure that you replace the correct elements! In this video, we show you not only how to...

Do you know what happens when you light rubbing alcohol on fire? Rubbing alcohol is a hydrocarbon with the name isopropyl alcohol. Because it is a hydrocarbon, it will burn in the presence of oxygen. This is an example of a combustion...

In this introductory segment, host Bobby Donohue introduces water scarcity and the need for clean drinking water. He highlights challenges faced by communities without access to clean water and discusses innovative solutions. The...

“Animal Categories” gives examples of warm-blooded and cold-blooded animals and discusses how scientists group animals based on the animals’ characteristics.

This video provides a detailed account of the U2 spy plane incident that occurred on May 1st, 1960, when an American U2 spy plane was shot down over the Soviet Union. The pilot, Francis Gary Powers, was captured and later exchanged for a...