It's a mystery...

This blog post (or these blog posts) should contain the questions that you have written about the things that represent some kind of a mystery to you. You should include your classmates' answers or guesses, the information or answer you found on the internet (indicate these with a hyperlink), and finally your own comment stating your opinion on what you have found, your surprise, amazement, dissappointment etc.
To sum up:
- questions,
- classmates' thoughts,
- information from various internet sources (including hyperlinks)
- your comment.
Have fun! :-)