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The Duquenois reagent is used in the Rapid Modified Duquenois–Levine test (also known as the simple Rapid Duquenois Test), which is an established screening test for the presence of cannabis. The test was initially developed in the 1930s by the French medical biochemist Pierre Duquénois (1904–1986) and was adopted in the 1950s by the ...
The amount of snow received at weather stations varies substantially from year to year. For example, the annual snowfall at Paradise Ranger Station in Mount Rainier National Park has been as little as 266 inches (680 cm) in 2014-2015 and as much as 1,122 inches (2,850 cm) in 1971–1972.
To administer the test, a user simply has to mix the chemicals with a particle of the suspected substance; if the chemicals turn purple, this indicates the possibility of marijuana. But the color variations can be subtle, and readings can vary by examiner. It was adopted in the 1950s by the United Nations as the preferred test for cannabis ...
A cloud of marijuana smoke rises as a clock hits 4:20 p.m. during the Mile High 420 Festival in Denver on "weed day" in 2022. - Patrick T. Fallon/AFP/Getty Images/File
Get ready for a wet and cold winter in Michigan, according to a new prediction from the Farmers' Almanac. The 208th edition of the Farmers' Almanac, out now, foresees a "Wet Winter Whirlwind" for ...
These are the extremes in weather records for Michigan, ... Greatest snow depth: 117.0 inches (297 cm) January 27–31, 1948: Eagle Harbor: Tornadoes. Event Date
A weather system over the past week provided parts of Michigan with a harsh welcome to the winter season, dumping more than 3 feet of snow in some places — and it may not be finished.
On November 6, 2018, Michigan voters approved Proposal 1 by a 56–44 margin, making Michigan the 10th state (and first in the Midwest) to legalize cannabis for recreational use. [ 17 ] The Michigan Regulation and Taxation of Marihuana Act allows persons age 21 and over to possess up to 2 + 1 ⁄ 2 ounces (71 g) of cannabis in public, up to 10 ...