November, 2025 » The Learning Hub

Constellation Dorado — The Cosmic Swordfish

Unlike many ancient constellations tied to Greek and Roman myths, Dorado is a modern constellation, introduced in the late 16th century by Dutch navigators exploring the Southern Hemisphere. Its name, “Dorado” or “golden,” refers to the golden fish, possibly the dolphinfish, popular among sailors in the South Seas.

Medicine

Margination of Cells

When there is injury or infection, your body widens the blood vessels in that area to allow more blood flow. But ironically, widening the vessels actually slows down the flow. When there is injury or infection, your body widens the blood vessels in that area to allow more blood flow. But ironically, widening the vessels actually slows down the flow.

Astronomy & Space

The Habitable Zone

The Habitable Zone is the distance around a star where a planet is just right for water to exist as a liquid on its surface. Not boiling away. Not frozen forever. We call it many names: The Goldilocks Zone (not too hot, not too cold) The Life-friendly Zone The Water Zone

Astronomy & Space

Red Dwarfs – The Quiet Fires of the Universe

A red dwarf is a small, relatively cool star that shines with a dim red light. In terms of size, it’s only about 7% to 50% the mass of our Sun. That means if our Sun were a basketball, a red dwarf might be the size of a golf ball. Their “red” color comes from their cool surface temperatures — usually around 2,000 to 4,000°C.

Medicine

Mesangial Cell Signaling

To understand Mesangial Cell Signaling, imagine each kidney nephron like a tiny water-treatment factory. Inside the glomerulus (the filter), we have three important workers: StructureFunctionEndothelial cellsLet plasma through but block…