A simple question about how jellyfish glow led to an innovative tool that has revolutionized medicine and won a Nobel Prize. In the 1990s, a scientist at the Woods Hole Oceanographic Institute named David Prasher cloned the GFP gene from a medusa. He then spent three years determining the genetic sequence of the gene and […]

What is sperm motility? Sperm motility refers to the ability of sperm cells to move correctly along the female genital tract or via fluid to get to the eggs. Sperms that don’t swim properly won’t reach the eggs to fertilize them, so this is an important factor in determining successful conception. For sperm, if they […]