Skip to content

- Walt Whitman

A noiseless patient spider,

I mark'd where on a little promontory it stood isolated,

Mark'd how to explore the vacant vast surrounding,

It launch'd forth filament, filament, filament, out of itself,

...

Read full poem

noun

A polynomial or function with exactly two variables.

Know more

Chapter 6 of 10

Natural Selection

2 min read

Darwin's original branching diagram from On the Origin of Species
Darwin used branching diagrams to show how forms could diverge from common ancestors.

Chapter 6

1 / 3

← → keys or swipe to turn pages