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project-argus:

Carl Sagan’s Cosmos Evolution Charm Bracelet

Good.

I feel so talentless when I see these thing that other people make.

jtotheizzoe:

cryptovolans:

so I did my scientific illustration final on whale evolution. This painting’s 3 feet long!
I did my best to illustrate every species as accurately as possible to the best of my ability. The sizes are vaguely correct but if they were actually to scale, the smaller species would be even smaller and the larger species would be even larger (basilosaurus is slightly bigger than a blue whale… and pakicetus is the size of a medium sized dog) 
YEAH evolution! 

Kinda love this. Can we start a bidding war?

Awesome! I’ve always loved whales and dolphins!

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Java Man. 

(Source)

landofoblivion:

fictionincarnate:

Helpful graphic is helpful.

Here’s a good chart

And, of course, the only ones we know of to have reached Antarctica are Homo sapiens.

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humoresques:

D*** right. Evolution by natural selection is a theory, in the scientific sense of the word. 

The kind of thing that need to be said again and again.

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cabbagingcove:

Today in History - April 19

Downe, Kent, England, 1888

On April 19, 1888, Charles Robert Darwin passed away at Down House, in Downe, Kent, at age 73. He was active in the natural history community to his last, and was buried with great pomp and ceremony in Westminster Abbey, next to Isaac Newton and John Herschel.

Though his earlier works were clearly influential, one of his most accurate and long-standing books was his last - The Formation of Vegetable Mould Through the Action of Earthworms. In fact, his observations on the anatomy and function of earthworms were so thorough that the species he covered in his book have largely been ignored in basic research until recently, when the concept and ability to test for “gut flora” (bacteria in the digestive system) arose in the early 2000s.

That Darwin cartoon at the top scared me when I was little. Creepy monkeyman!

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This is great. Here’s the whole song.

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Evolutionary chart.

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deconversionmovement:

If Humans Evolved from Apes, Why do Apes Still Exist?

The fundamental issue with this question is that there is an assumption that humans evolved from apes - but this is not the case. The simple answer is that humans did not evolve from apes: both apes, humans, and other primates evolved from a common ancestor. The common ancestor was probably more similar to apes than humans in terms of appearance. It is estimated that this lineage branched apart 8 million years ago - one branch leading to homonids (human-like), and the other branch leading to apes. This estimate varies - some arguing the split was as close as 5 million years ago, others that it was as distant as 20 million years ago.

It’s important to realize that evolution is not a linear process where one species evolves from the previous, effectively “replacing” the previous. Instead, it is a much more complicated process where species will branch off an existing line of ancestors. Seperate branches evolve along different trajectories and can include major changes, minor changes, no change, or extinction. The survival of an evolutionary line is dependent upon the ability of its members to live and reproduce in their environment.

Read More

A very useful infographic for clearing up a common misconception. 

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lsquare28:

Happy 203rd, Guys!

Happy, revolutionary, lively, birthday, guys!

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