scienceyoucanlove:

Blood clot by James Archer 

A thrombus, or blood clot, is the final product of the blood coagulation step in hemostasis. 

Blood clotting is an important mechanism to help the body repair injured blood vessels. 

Blood consists of:
-red blood cells containing hemoglobin that carry oxygen to cells and remove carbon dioxide (the waste product of metabolism)
-white blood cells that fight infection
-platelets that are part of the clotting process of the body
-blood plasma, which contains fluid, chemicals and proteins that are important for bodily functions.

Complex mechanisms exist in the bloodstream to form clots where they are needed. If the lining of the blood vessels becomes damaged, platelets are recruited to the injured area to form an initial plug. These activated platelets release chemicals that start the clotting cascade, using a series of clotting factors produced by the body. Ultimately, fibrin is formed, the protein that crosslinks with itself to form a mesh that makes up the final blood clot.

Blood clots are healthy and lifesaving when they stop bleeding. However, blood clots can also form abnormally, causing a heart attack, stroke, or other serious medical problems.

Most heart attacks and strokes result from the sudden formation of a blood clot on a waxy cholesterol plaque inside an artery in the heart or brain. When the plaque ruptures suddenly, thrombogenic substances inside the plaque are exposed to blood, triggering the blood clotting process.

read more 

(via science-is)

leslieseuffert:

Kim Keever (NYC) Across The Volumes, 2013
leslieseuffert:

Kim Keever (NYC) Across The Volumes, 2013
leslieseuffert:

Kim Keever (NYC) Across The Volumes, 2013
leslieseuffert:

Kim Keever (NYC) Across The Volumes, 2013
leslieseuffert:

Kim Keever (NYC) Across The Volumes, 2013

I bought my kitten a teddy bear today. She is so adorable, I just want the smoosh her little face!

magnacarterholygrail:

my personal style is called “i don’t have the money for my preferred aesthetic”

(via sian-valentine)

Seeing Lucinda Dunn in her final role with the Australian Ballet Company, Manon.

Woke up in the wee hours of the morning, feeling an intense sense if guilt. Guilt because I’m heading home for university holidays and I know my mother will be excited to see me, excited because I’m coming home. I feel guilty because I feel like she’ll be getting excited for nothing. Because it’s just me. And I don’t feel I’m worth getting excited for. I’m nothing special. And I don’t want to disappoint her.

ergh, how fucked up is my head…

The man who wrote this letter was executed on the 19th March 2014. Regardless of his crimes, he raises some interesting points and the fact that his life has now come to an end at the hand of the justice system is awful. Interestingly, the victim’s brother is also opposed to the death penalty and wrote a response to Jaspers letter (which can be read here: http://steven-alejandro.kinja.com/a-discussion-of-the-ray-jasper-death-row-issue-from-a-f-1536676452).