The Howard Hughes Medical Institute (HHMI) is able to attract many of the top scientists from around the world. It makes sense that they would also draw upon this collective acumen to help young people learn about what they do. Visitors can submit their own questions for these professionals or look at questions that have already been answered. First-time visitors can start with the Top Ten Questions to get started on their journey. There are actually sixty questions answered here, as there are six sections, including Animals, General Biology, Evolution, and Genetics. The questions answered here are a diverse lot, ranging from "Why is there no mammal with green fur?" to "Why is memory affected by age?" The answers are lucid, well-written, and quite thorough. The generally curious will not be disappointed by this site.