You may have gotten a dose of laughing gas at the dentist at some point. But new research is suggesting that the same gas that helps you forget your toothache could be a future treatment for clinical depression.



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Today, the organ transplantation is one of the well-known medical treatment, but the road to the first successful organ transplant was full of challenges, discoveries, and a whole lot of work.

From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.

Many folks in the southeastern US know that the invasive vine kudzu swallows cars, utility poles, and entire mountainsides. They may not know it also contributes to air pollution and even makes it harder for us to ensure that everyone...

The quest for anesthetics that could induce unconsciousness and enable more meticulous surgeries began around the early 3rd century CE. Before anesthesia was widely used, patients had to consciously endure every moment of surgery. So,...

From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.

Today, the organ transplantation is one of the well-known medical treatment, but the road to the first successful organ transplant was full of challenges, discoveries, and a whole lot of work.

In this collection of classic MinuteEarth videos, we travel beyond Earth and explore some of our favorite mysteries about space.

In this video Paul Andersen explains how the climate on the earth is affected by the amount of solar radiation and the greenhouse affect. The addition of anthropogenic greenhouse gases has led to global warming which is impacting humans...

Formal Charge Made Simple: A Guide to Molecular Stability Formal charge is a bookkeeping tool used to estimate the charge distribution within a molecule. It is calculated by comparing the number of valence electrons in an atom's free...

Laughing gas or nitrous oxide is a chemical compound used in medical settings, especially in surgery and dentistry, for its anesthetic and pain-reducing effects. In this video, we will discuss what laughing gas is, how it was discovered...

Discover the Earth's atmosphere: what it is and what it is made of?
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In this video, we explore the leading factors contributing to the enhanced greenhouse effect and its implications for climate change and sustainability. Discover how greenhouse gases like carbon dioxide, methane, and nitrous oxide trap...

FT Climate Capital - Agriculture and food account for about a quarter of all climate change-inducing greenhouse gas emissions. And with production methods becoming increasingly intensive, farmers are under scrutiny like never before. Now...

Serotonin antidepressants, step aside there’s a new kid in town. The FDA has just approved a new antidepressant that contains the active ingredient found in over-the-counter cough medicines. This new drug, which will be...

This live-action video program is about the greenhouse effect. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful,...

Climate is the average type of weather that a region has. It is defined by temperature and moisture. Proximity to oceans and large mountain ranges defines climate too, depending upon the prevailing wind. While climates change over...

Ricardo Salvador, director of the food and environment program for the Union of Concerned Scientists, discusses how a national food policy might address priorities such as health, climate change and agricultural sustainability with WSJ's...

An aerosol is a mist of liquid particles. Aerosol sprays are used in a variety of products from spray paint to sunscreen. Learn how the aerosol system works and about some potential dangers of aerosol spray.

The decade from 2000 to 2009 was the warmest in the modern record. "Piecing Together the Temperature Puzzle" illustrates how NASA satellites enable us to study possible causes of climate change. The video explains what role fluctuations...

This video explains the anatomy and physiology behind male erections, including the role of psychological and tactile stimulation, the parasympathetic nervous system, and the erectile tissues within the penis. The video also discusses...

The Nef reaction is a good way to convert nitronates into carbonyl compounds. This is a technique that can be incorporated into a strategy called "Umpolung", which refers to a reversal of polarity, such that upon converting from the...

Nitrogen makes up 78% of the air, however neither plants nor animals can take nitrogen directly from the air because nitrogen is so unreactive. The nitrogen cycles shows the movement of nitrogen through the environment. Nitrogen is...

This video is a lecture presentation that focuses on atmospheric pollution, discussing the effects of different types of pollution on the environment and living organisms. The lecturer covers the biological consequences of pollution...