Today’s GIF features a blood bag on a scale. The mechanism is designed to rock the bag gently, so as to mix the blood with anticoagulants (aka blood thinners) and prevent clotting.

Modern Blood Donation History: Truly a Wartime Effort

Have you donated blood lately? Maybe you’ll get inspired by reading the history of how we got modern blood donation, including (of course) the bloodmobile.

Recently, my wife has really gotten into putting on blood drives, in no small part because of their ability to save…