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clearscience:

freshphotons:

"Of the 118 elements that make up everything—from the compounds in a chemists arsenal to consumer products on the shelf—44 will face supply limitations in the coming years. These critical elements include rare earth elements, precious metals, and even life essentials like Phosphorus. Research into more abundant alternatives, more efficient uses, recycling and recovery will help mitigate risks and move industry us towards sustainable supply chains." Via.

A while back Clear Science used the example of tellurium (Te, element 52) to illustrate how obtaining enough of a specific material can be challenging.

eatstarsnsparkle:

boazpriestly:

osointricate:

boazpriestly:

demonsanddragons:

darcywho:

harlotstarlet-queenofconeyisland:

chasexjackson:

THE GOLDEN RULE OF TUMBLR

my god, we’re all Ross.

Excuse you.

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Excuse you

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So in conclusion, we are all the men of Friends, combined. 

Not just the men.

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Phoebe is basically a walking night blogger when she’s got a guitar.  Admit it.

In conclusion, we are the show Friends. 

we all need this on our blogs

To Tumblr, Love Pixel Union