Alu elements, labeled with green fluorescence in these human chromosomes, make up more than 10 percent of the human genome. (Image from Bolzer et al., (2005) Three-Dimensional Maps of All Chromosomes ...

At a young age, David has always enjoyed exploring fiction. This has been evident in his love of reading, films, and video games. As a result, it made sense to pursue writing as a career. He has ...

Organisms that aren't closely related may evolve similar traits as they adapt to similar challenges. It's called convergent evolution, and familiar examples include the wings of birds, bats, and ...