This video is answering the question of why are trees important.

This program covers the very important topic of ionic compounds. We discuss how ionic compounds form and how to predict ahead of time what the chemical formula will be when given the atoms that form the ionic compound. We spend a great...

The video explains the anatomy and physiology of the circulatory system and how the organs within it work together to deliver oxygen to cells and remove carbon dioxide. The video also goes into detail about the structure of the lungs and...

This video discusses the global water crisis and the efforts being made to protect the Citarum River in Indonesia from industrial pollution. It highlights the ambitious goal set by President Joko Widodo to make the river safe for...

In this video we will explore the reaction between acids and metal carbonates. Recall that an acid is a chemical that contains a special type of hydrogen that can be released into aqueous solution as a hydrogen ion, H+. Most metal...

In this video, we discuss 4 mechanisms by which oxygen's affinity for hemoglobin decreases, facilitating increased oxygen delivery to tissues.<br/>[1] He<br/>at
[2] B<br/>ohr E<br/>ffect
[3] Haldane Effect
[4] 2,3-BPG

Our sun's adolescence was stormy—and new evidence shows that these tempests may have been just the key to seeding life as we know it on Earth.



Credit: NASA/Goddard/Genna




Dube

r
stein




on...

We start our “Gravity Assist” virtual tour of the solar system with – where else – the Sun! Jim is joined by Project Scientist Dr. Nicky Fox of the Johns Hopkins University Applied Physics Lab to talk about our fascinating star and...

Hurricane Katrina took the world by storm when it ravaged Louisiana and surrounding states in late August of 2005. Katrina's effects were far reaching, and researchers continue to uncover new areas of devastation left in her wake. Using...

Practice REAL problems from actual past IIT/JEE exams with Professor Dave!

In this video, we cover the parts and purpose of pulmonary circulation as it relates to the respiratory system.<br/>

Plants play a key role in mitigating climate change. The more carbon dioxide they absorb during photosynthesis, the less carbon dioxide remains trapped in the atmosphere where it can cause temperatures to rise. But...

We are starting with benzene, we do four reactions, and what do we get? See if you can get the right answer!

This video discusses the importance of material recycling in ecosystems, specifically focusing on the carbon and water cycles and the process of decomposition. It explains how plants play a crucial role in the carbon cycle by removing...

There's a thing with carbon and hydrogen in it. But how many of each?! That's the kind of thing a chemist should know. So let's do some elemental analysis!

This nugget describes the respiratory organs and the different modes of respiration seen in an earthworm, cockroach and a frog.

This video is an educational lesson about the circulatory system. The teacher explains how the circulatory system works, including the functions and parts involved. The video covers topics such as the role of the heart, blood vessels,...

The video describes various tests that can be used to identify different gases. The narrator goes through four different gases, hydrogen, oxygen, carbon dioxide, and chlorine, and explains how to identify them. The video goes on to show...

In this video, we learn about the sources of flatus or gas in the digestive tract, how it is produced, and the potential dangers associated with it. The host uses humor and medical terminology to explain the science behind this bodily...

Today I make a REAL hoverboard out of dry ice! It doesn't lift you high into the air like back to the future, but it perfectly emulates the feeling! Its just a wooden board with a rim around the edge to hole 3 blocks of dry-ice in place....

Carbon dioxide is a product of one of the most important chemical reactions in the world: combustion. Combustion is how a lot of people in the world heat their homes and power their cars. It also unfortunately contributes to the...

Imagine if it took a couple of months for the oxygen we breathed to reach our cells. Well, if we relied on diffusion alone for oxygen to get to the tips of our toes, it would take about this long. By this time, our cells would have died....

It explains that air is present in water and soil. It also talks about the interdependence of plants and animals for oxygen and carbon dioxide.

This video is answering the question of what happens to the air that we breathe.