Jeff Mitton

Apparently, herbivores are not fond of chewing sandpaper.

Flower was once thought to repel fleas, a belief long-since debunked.

Sphinx months have an array of identifiers, one being an unusual defense mechanism.

Lingering question: Do variations in scent correspond to variations in color?

With high levels of oxalic acid, like that in Brussels sprouts, and with a proliferation of seed dispersal, the plant easily establishes itself everywhere except Greenland.

Professor Emeritus takes a closer look at beautiful weeds with a lethal potential to kill livestock, and even, humans.

Surprisingly, subspecies with different growth forms can be within a few feet of one another.

By rubbing a spear head against stone to form or sharpen it, a groove is gouged very similar to the grooves beside the Procession Panel.

Of the genus Physaria, pretty wildflowers, 24 species grow in Colorado. Ten of 24 species are endemic to Colorado, meaning they live nowhere else.

Full confirmation of this hardy species took five decades of scientific study.