Something in the Air

I recently wrote an article about the platypus species being the most primitive of all mammals. Funny that only a couple months later there is now a news story about this vary same thing. The news story is originally from Livescience.com here. There is new interesting information about the fact that although the platypus has the X and Y chromosomes, these are not the sex chromosomes for the platypus. Instead, the platypus has about 10 other chromosomes for that purpose. Strange animal, this platypus