xkcd: Birds and Dinosaurs

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Schrödinger’s Cat

Hat-tip to Kate Campbell at ♥ Books, Crafts & Pretty Things

xkcd: Is It Worth the Time?

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This means you’re free to copy and share these comics (but not to sell them). More details.

Making sense of how life fits together – Bobbi Seleski

via TEDEducation

xkcd: Voyager 1

Any century now…It’ll be a while before we need to worry about V’Ger…

This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License.
This means you’re free to copy and share these comics (but not to sell them). More details.