Pulmonologist Dr. Ravi Kalhan answers the internet’s burning questions about our lungs. What happens to your lungs if you vape? How do our lungs know the difference between oxygen and carbon dioxide? How much snot can your lungs hold? Does lung cancer only happen because of smoking? Dr. Kalhan answers all these questions and much […]
From Carl Sagan: Eratosthenes’s only tools were sticks, eyes, feet and brains. Plus a zest for experimenting. With those tools, he correctly deduced the circumference of the Earth, to high precision. With an error of only a few percent. That’s pretty good figuring for 2,200 years ago.” Seriously, Greek scientist Eratosthenes did not only figure […]
Feeling embarrassed when getting caught talking to yourself? You are not alone. Unfortunately, many think this type of behavior is a sign of mental instability, but do not worry: extensive research spanning several decades reveals that talking to oneself is entirely normal. In fact, the majority, if not all, of us engage in some form […]
Dive into the insane engineering behind MRI machines and learn all about how they work in this video from Real Engineering. [Real Engineering]
Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer, and saving your life. It does that all the time. The vast majority of cancer cells you develop will be killed without you ever noticing. Which is an incredibly hard job because of what cancer […]
Far beyond Earth, a new type of alien water planet could be speckling our galaxy by the billions, like cosmic dew drops. These “Hycean Planets” range up to ten times the mass of the Earth, containing mega-oceans that could stretch down hundreds of kilometers. Their extreme pressures keep their water liquid across a wide range […]
When you stop eating suger, your brain and your body change, but what exactly happens in the background while you are starving it from carbohydrates? Find out in this video from ASAP Science! [ASAPScience]
What’s the real story of the dodo? How did such a unique bird even evolve in the first place? And are we really responsible for its extinction? Learn more about the extinction of the Dodo in this video from PBS Eons. [PBS Eons]
Both the U.S. and China have plans to establish bases on the Moon in the near future. Caspar Benson/fStop via Getty Images Svetla Ben-Itzhak, Air University Headlines proclaiming the rise of a new “space race” between the U.S. and China have become common in news coverage following many of the exciting launches in recent years. […]
The gut microbiome may play a role in regulating the body’s appetite, cognition and immune responses. nopparit/iStock via Getty Images Plus Christopher Damman, University of Washington Diet-related chronic diseases have reached a critical juncture in the U.S. Nearly half the population has prediabetes or diabetes. Over 40% are overweight or obese. One in nine people […]