markallen:

Working on some diagrams to explain Machine Project with Tiffanie Tran. I think this one does a pretty good job.

markallen:

Working on some diagrams to explain Machine Project with Tiffanie Tran. I think this one does a pretty good job.

surprised tiger cub

Flying Duck Orchid

Evolution of man

(Source: Wikipedia)

(via Greg Dunn)

(via Greg Dunn)

(Source: Wikipedia)