Call it what you want, hash, also known as cannabis concentrate, is one of weed's most misunderstood byproducts. Hash has been popular for thousands of years, but I didn't try concentrates for the ...

What does butane have to do with recreational marijuana? And why does the 319-page law that made Minnesota the 23rd state to legalize marijuana ban the home extraction of cannabis concentrates using ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. What does butane have to do with recreational marijuana? And why does the ...