On Google's home page in the United States is a special Google logo to thank all the teachers out there. It is a Google Doodle for Teachers' Day. Google wrote:
Happy Teachers Day! On this day we take a moment to appreciate those who dedicate their lives to encouraging our intellectual development, be it through mathematics, ecology, astronomy, chemistry, biology, or any other subject we may explore. Teachers nurture our intelligence, creativity, and critical thinking skills. They help shape us and guide our development.Thank you to all the teachers, and may you be showered with the respect and admiration you deserve!
Here is the animated version showing
The Doodle shows a teacher teaching students about mathematics, ecology, astronomy, chemistry, biology and other topics.
Some folks are seeing the Ferdinand Monoyer doodle today as well, it might be an Internet Explorer bug some say.
Forum discussion at Google Web Search Help.