Via dailymeh:
The Oatmeal on caffeine, which is an adenosine antagonist.
Via bebelestrange:
Scientists have recently discovered a rare, solitary type of bee that makes tiny little nests by plastering together flower petals. Each nest is a multicolored, textured little cocoon - a papier-mache husk surrounding a single egg, and protecting it while it metamorphoses into an adult.
via www.npr.org

Illustration of magnetism by Caleb Charland, via today and tomorrow. The rest of Caleb’s collection, “Demonstrations,” is equally awesome, so check it out.
![Via thedailywhat:
Acid Trip of the Day: Nine drawings by an unknown artist taking part in a government-sponsored LSD experiment in the late 1950s.
The subject was asked to draw a portrait of his attending doctor at various intervals throughout the experiment.
The fifth drawing, completed two-and-a-half hours after the initial dose of LSD 25 was administered, was accompanied by the following observation:
Upon completing the drawing the patient starts laughing, then becomes startled by something on the floor.
Compare with his final statement, five-and-a-half hours later, following portrait #9:
I have nothing to say about this last drawing, it is bad and uninteresting, I want to go home now.
[via.]](http://28.media.tumblr.com/tumblr_ktzeouR8uo1qzpwi0o1_400.jpg)
Via thedailywhat:
Acid Trip of the Day: Nine drawings by an unknown artist taking part in a government-sponsored LSD experiment in the late 1950s.
The subject was asked to draw a portrait of his attending doctor at various intervals throughout the experiment.
The fifth drawing, completed two-and-a-half hours after the initial dose of LSD 25 was administered, was accompanied by the following observation:
Upon completing the drawing the patient starts laughing, then becomes startled by something on the floor.
Compare with his final statement, five-and-a-half hours later, following portrait #9:
I have nothing to say about this last drawing, it is bad and uninteresting, I want to go home now.
[via.]

“Der Mensch als Industriepalast (Man as Industrial Palace)” by Fritz Kahn, 1926; via { feuilleton }.

Virus models sculpted from glass by Luke Jerram - this is an E. coli bacterium.
Via Bioephemera, but more at the Guardian.

Simone Koenig bobbin-laced the sagittal view of her husband’s brain from his MRI. Via Street Anatomy.

Signs of Character, a phrenology chart drawn and published by R. Degranza Pease, M.D., 1843. Via BibliOdyssey.