There are 30 trillion cells in the human body. That means 30 trillion living organisms were involved in the writing of this tweet. Each of us humans think of ourselves as one individual, but we are a bustling civilization of life.

<n>Section of Wheat-Stem</n> by <n>Arthur E. Smith</n> from <n>Nature Through Microscope and Camera</n>, 1909.

A product shot of <n>Braun Audio Components</n> from <n>Braun+Design Magazine</n>.

A time-lapse of the slime mold <n>Physarum polycephalum</n> from the <n>Wyss Institute at Harvard University</n>.