The chordae tendineae are a group of tough, tendinous strands in the heart. They are commonly referred to as the “heart strings” since they resemble small pieces of string. Functionally, the chordae tendineae play a vital role in holding the... Continue Reading →
Isaac Asimov immigrated with his family from Russia to the United States and became a biochemistry professor while pursuing writing. He published his first novel, Pebble in the Sky, in 1950. An immensely prolific author who penned nearly 500 books, he... Continue Reading →
Biology of ventilationAir moves from our lungs into the bloodstream through tiny, air-filled sacs called alveoli. Open circuit ventilatorsThis is a very simple version of a ventilator where waste gas is expelled from the system without recycling. Closed circuit ventilatorsThis... Continue Reading →
Can a rocket make the Moon ripple? No, but it can make a background moon appear wavy. The rocket, in this case, was a SpaceX Falcon Heavy that blasted off from NASA's Kennedy Space Center last week. In the featured launch picture, the rocket's exhaust plume glows beyond... Continue Reading →
Biography: Qi Baishi (齊白石, 1864–1957) was one of the most well-known contemporary Chinese painters. His original name is Qi Huang (齊璜) and courtesy name Weiqing (渭清). Baishi (“white stone”) is one of his pseudonyms. Some of Qi’s major influences include the... Continue Reading →
Arteriosclerosis occurs when the blood vessels that carry oxygen and nutrients from your heart to the rest of your body (arteries) become thick and stiff — sometimes restricting blood flow to your organs and tissues. Healthy arteries are flexible and... Continue Reading →
Blood vessels of the foal hoof with the chorion laminae and anatomical details of the vascularisation of the equine foot and hoof by German plastinator Dr. C. von Horst. Infographic: https://anatomicexcellence.com/about-plastination/plastination-process/
May your coming year be filled with magic and dreams and good madness. I hope you read some fine books and kiss someone who thinks you're wonderful, and don't forget to make some art, write or draw or build or sing or... Continue Reading →
You are sitting quietly, and suddenly your brain tunes out the world and wanders to something else entirely — perhaps a recent experience, or an old memory. You just had a daydream. Yet despite the ubiquity of this experience, what... Continue Reading →