chord [music]

A harmonic set of multiple notes that is heard as if sounding simultaneously.

stem cell

A primal undifferentiated cell from which a variety of other cells can be generated through a process of cellular differentiation.

lithium

The third element on the periodic table, a soft reactive metal in its pure form. Used by 21st century humans for rechargeable batteries and psychiatric…

electromagnetism, electromagnetic force

One of the four fundamental forces; responsible for electricity, magnets, and electromagnetic radiation AKA light. "photons are a manifestation of the electromagnetic force."

carbohydrate

a macronutrient essential to nutrition, the building block of organic matter, and a dietary component humans often discuss

vitamin/deficiency

Humans need vitamins ie. molecules that are obtained through digesting food or supplements. They suffer from deficiencies if their diet is one sided. Do Klingons…

vine, vine-like plant

A type of plant characterized by long flexible stems which do not support themselves. They can grow horizontally along the ground and/or climb available plants…

density

The density is the mass divided by the volume of an object. The density is a few particles per cubic centimeter.

Baryons / Baryonic

The baryonic matter of the Universe is everything we can see and measure.