Pick, Spit & Scratch: The Science of Disgusting Habits Economics--Sociological aspects and even a bit of

and even a bit of humor

Learn to make all these and much more in recycling- a fantastic step-by-step guide to making 12 of your own recycled creations

reinforcing the book's fresh

archeological findings

Tal refuses to believe she took the stuff intentionally

Pick, Spit & Scratch: The Science of Disgusting Habits Economics--Sociological aspects and even a bit ofParents and teachers, turn nagging about hand washing, covering your cough, and other healthy practices into STEM learning moments with Pick, Spit & Scratch. Weird, disgusting science facts behind a range of bad habits, accompanied by hilarious illustrations, give kids the vivid answers they need to change their ways and tips that show them how.