Any of an order of mammals characterized by a pouch covering the mammary glands on the abdomen. Kangaroos, koalas, opossums, and wombats are marsupials. Australia has many marsupials; a few are found in North and South America, but none in Africa or Eurasia. [Marsupial comes from a Greek word meaning…

Explore Science Dictionary

Seymour Science Blog

Seymour Simon’s striking new book, ROCKS AND MINERALS, is being published on August 15th (available for pre-order now on Amazon). Here’s an interview with Kirkus about his connection to rock-hounding, the process of making this book, his views on teaching…

Seymour Simon on Facebook and Twitter Become a Seymour Simon Facebook Fan Follow Seymour's field notes and photos