Can moons have moons

Have you wondered if a moon can have its own moon? This video explains that they can not due to physics.

Planet Venus may have life

Here is cool video about Venus having life; If Venus was habitable while our sun was young, and Earth is habitable now, then in roughly a billion years Earth will follow the same path Venus did. Venus, in this view, is not a failed sister planet. It is a preview.

Ruby vs Sapphire

They are similar but different. This video explains everything:

Diamonds do not sparkle

 Video about how and why we see sparkles looking at diamonds.

 Check out my new video about the science of making diamonds.

 

Nasa finds new life using alt chemicals

Wow, new form of life found check it out

Cool Internet websites

My top list:

Network World

Webmasterworld

Youtube videos

Google

Yahoo search engine

Gizmodo

ESPN

Craigslist

Amazon

Cnet

Ebay

CNN

nasa.gov