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septemberism94:

schim:

Cats who can’t figure out walls [x]

PLEASE TAKE YOUR CAT TO THE VET IF YOU SEE THEM DOING THIS BEHAVIOR OVER TIME.

It’s called “head pressing” and it occurs in dogs and cats. 

Head pressing is characterized by the compulsive act of pressing the head against a wall or other object for no apparent reason. This generally indicates damage to the nervous system, which may result from a number of varying causes, including prosencephalon disease (in which the forebrain and thalamusparts of the brain are damaged), or toxic poisoning.

http://www.petmd.com/cat/conditions/neurological/c_ct_headpressing

http://www.vet.cornell.edu/FHC/health_resources/toxoplasmosis.cfm (head pressing is listed as a symptom)

http://sevneurology.com/patients/clip-multilobular-osteochondroma (About a dog’s brain tumor but head pressing is listed as a symptom)

I wasn’t going to reblog this until I read the important caption dang thank you!!!

(Source: fuckyeahfelines)

thelonelyscarecrow:

castiels-time-traveler:

nintendocanada:

mapsontheweb:

Map of the World by Natural Skin Color

i’m really dumbfounded that i never realized skin colour is literally just caused by being closer to or farther from the equator and the resulting sun exposure and skin darkening

actually, its an adaptation. natural selection. people with darker skin are selected for in areas near the equator, where the melanin that causes the darker color protects them from radiation and protects them from skin cancer and other health defects, and because they are healthier they can pass on that trait more. people near the poles have lighter skin because it allows them absorb more of the limited sunlight to convert to vitamin d. 

THIS IS THE THING SOME PEOPLE HATE OTHER PEOPLE OVER.

Evolution of melanin levels based on geographical location.

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