A Plant A Day

Adulteration is the practice of substituting, diluting, or otherwise manipulating a botanical ingredient so that what’s sold is not what […]

There’s a part of Stefan that secretly wants to be an investigative journalist… In this clip taken from our conversation

The False Daisy (aka. Bhringaraj; Eclipta prostrata) is a small perennial herb in the Asteraceae family originally from the Americas

In this new Explorer’s Way Episode we dive into the dark arts of adulteration. Stefan Gafner walks us through some

In 2025, Royal Botanic Gardens, Kew highlighted a remarkable new fungus from Brazil that parasitizes trapdoor spiders, earning it a

Tonic water has its roots in the tropics, where British colonials mixed bitter quinine from cinchona bark into water as

Long before Stefan Gafner was leading the charge on adulteration, he was a pharmacy student sitting in a ski‑week lecture,

Some of the best parts of this work aren’t the plants at all…they’re the people. In this teaser, Stefan Gafner

Tilo (aka. Piri Piri; Justicia pectoralis) is a low, aromatic herb from tropical America in the Acanthaceae, with small leaves

Scientists described Ovicula biradiata, nicknamed the “Woolly Devil,” a remarkable new genus and species discovered in Big Bend National Park,