GET D!RTY!
Next time you’re signing with your friends, drop the ASL textbook formality and start flashing the signs they don’t teach in any classroom, including:
• cool slang
• funny insults
• explicit sex terms
• raw swear words
Dirty...
In The Vision Revolution, Mark Changizi, prominent neuroscientist and vision expert, addresses four areas of human vision and provides explanations for why we have those particular abilities, complete with a number of full-color illustrations to...