The images show how the structures and chemicals of the different hairs differ, revealing that mushroom-shaped hairs produce the most cannabinoids and terpenes.
The three middle schoolers also gave flowers to each of the 70 female staff members at Summit Trail Middle School.
President Donald Trump said he was "very busy," but did get his wife, Melania, a card and flowers.
"Fairy Lanterns" don't photosynthesize, but instead get their nutrients from fungi.
"Iranian youth want happiness, want excitement, want love, and want to express it."
The flower was discovered alongside Civil War-era medals and documents. How exactly it ended up there remains a mystery.
The rapper's 'Bodak Yellow' bumped 'Look What You Made Me Do' from the top spot.
U.K. plant conservation charity reveals list of plants at risk of extinction.