"WHAT THE VOLCANO IS LIKE: a "womb that vomits flame""
"The ground substance in joint cartilage fills in the gaps between the collagen fibers, which run parallel to each other within the cartilage. As an analogy, the collagen fibers are like the bricks of the cartilage structure, and the glycosaminoglycans are like the mortar between the bricks. Not only does glucosamine sulfate supplementation stimulate the synthesis of glycosaminoglycans, but it stimulates the synthesis of collagen by chondrocytes. "
"Astronomy is like the gateway drug of the sciences," says Mullan. "Many people are already fascinated by the night sky, space missions, and colorful photos of planets, galaxies, and swirling clouds of interstellar gas. Human beings fundamentally want to connect with some cosmic context greater than themselves. I want to give them that chance."