Cannabis Science

Moisture content vs water activity in cannabis flower, why both show up, and how to use them together

If you’ve ever stared at a COA and wondered why moisture content looks fine, but the cannabis water activity number

What A “Full Panel” Cannabis Lab Test Really Includes, State by State

If you buy or sell legal cannabis, you see the phrase “full panel tested” everywhere. It sounds reassuring, but what

What “ND” really means on a cannabis COA, plus LOD vs LOQ in plain English

If you’ve ever scanned a cannabis COA and felt confident because you saw “ND,” you’re not alone. “ND” looks like

Why two COAs for the same product can look different (sampling, test methods, and lab math)

Ever had a customer forward a second COA and ask, “Why is this different from yours?” It can feel like

Mycotoxins in cannabis (aflatoxin, ochratoxin), what the COA should show, and when to walk away

If you’ve ever stared at a Certificate of Analysis (COA) and thought, “This looks official, so it must be safe”,

Cannabis Pesticide Testing: How To Read The Safety Section Of Your COA

Ever scanned a QR code on a cannabis package, opened the lab report, and felt totally lost? You are not

Indica vs. Sativa: In-Depth

Current State of Cannabis Classification Botanists have struggled to agree and consistently categorize the taxonomy of cannabis. Without definitive taxonomy,

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Heavy Metals in Cannabis Vapes: How to Spot Risky Hardware Before You Buy

If you use vape carts, you have probably heard whispers about cannabis vape heavy metals. It sounds scary, but it

How To Tell If Your Cannabis COA Is Too Old To Trust

You scan a jar of flower, pull up the lab report, and see a test date from last year. Is

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Grow Cannabis With The Armoire Home Grow System

What Is The Best Home Grow System? Over the past year, we've seen and have written articles comparing and contrasting

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How to Read a Cannabis Certificate of Analysis (COA) Without a Lab Degree

Ever scan a QR code on a cannabis package, open the lab report, then close it right away because it

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MaryJane’s Post Featured in Feedspot’s Top 100 Marijuana Blogs Ranking

Update: Mary Jane's Post is now ranked 56. Help us rank in the Top 25! by sharing this article. MaryJane's

Microbial Counts on Cannabis COAs, how to read CFU numbers, pass limits, and real-world mold risk

If you’ve ever pulled up a lab report and seen “TYMC: 2.4×10³ CFU/g” you’re not alone in thinking, “Is that

“Live Resin vs Distillate: How Extraction Method Changes Your High and Flavor”

Ever stared at the concentrate shelf and thought, “Why are there three different carts from the same strain?” A lot

Hemp Production in the United States; The Fight Against Global Warming

Cannabis Prohibition Marijuana was increasingly criminalized throughout the early 1900s until 1937 when the Marijuana Tax Act effectively rendered marijuana

How Live Resin Vapes Are Changing What “Premium” Cannabis Really Means in Canada

If you walk into a Canadian cannabis shop today, the “premium” shelf looks very different from a few years ago.

Why Your 18% THC Flower Sometimes Feels Stronger Than 30% Weed From Another Shop

You grab an 18% jar from your usual shop and get lit. Later, you try a “30% banger” from another

Residual Solvents In Vape Carts: How To Tell If Your Lab Report Shows Safe Levels

Ever scanned a vape cart lab report and felt like you were reading another language? You are not alone. Those

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