Kombucha fermentation relies on a symbiotic culture of bacteria and yeast, often called a SCOBY, which is a living organism and needs to be treated with care. elaborate
Bird watching is sometimes called "birding." elaborate
Henna's staining power comes from lawsone, a naturally occurring dye molecule also found in the henna plant's leaves, not the plant's sap as many believe. elaborate
Some frogs can change their skin color to match their surroundings in a matter of minutes. elaborate
Some model railroaders use incredibly realistic sounds, including those of train horns, to enhance the immersive experience. These sounds can be triggered by the model train's position on the track or manually by the operator. elaborate