Tectonic shift is the movement of the plates that make up Earthâs crust. The Earth is made up of roughly a dozen major plates and several minor plates. The Earth is in a constant state of change. Earthâs crust, called the lithosphere, consists of 15 to 20 moving tectonic plates.
Good Guy Greg loves our meme generator Â». The Ancient Aliens meme is comprised of a still shot of Giorgio A. Tsoukalos from the History Channelâs documentary series Ancient Aliens. The program focuses on the idea that aliens may have visited earth in the past.
The Mashable Meme Machine is a daily look at five hilarious viral topics spreading across the web right now. Welcome back, boys and girls! The Meme Machine is sizzling hot today, with the latest topics that tickled our fancy from Twitter, Tumblr, YouTube, Reddit, and the vast reaches of the internet. The menu is complete with a rejected teenager, ridiculous cults of personality, and Microsoft's CES speech to round it all out.