13 things that do not make sense

I received the link to this article in my Mercola newsletter today.

Here are the 13:

1. The placebo effect
2. The horizon problem
3. Ultra-energetic cosmic rays
4. Belfast homeopathy results
5. Dark matter
6. Viking's methane
7. Tetraneutrons
8. The Pioneer anomaly
9. Dark energy
10. The Kuiper cliff
11. The Wow signal
12. Not-so-constant constants
13. Cold fusion

Its a cool article, so go read it! :D