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Pale Blue dot

Seen from about 6 billion kilometers (3.7 billion miles), Earth appears as a tiny dot (the blueish-white speck approximately halfway down the brown band to the right) within the darkness of deep space.

Sagan pointed out that “all of human history has happened on that tiny pixel (shown here inside a blue circle), which is our only home” (speech at Cornell University, October 13, 1994.)

via: wiki

The wonders of Possibility, sci-fi anthology, under the supervision of Sergio Solmi and Carlo Fruttero, Einaudi Edition.

I’m hungry!!!
Marine worm courtesy of Philippe Crassous

WAR IN OUR HUMAN TRENCHES

The captions shows the dramatic encounter, in the liver, of our unsung heroes, the immune cells, and an invading parasite, the trypanosome. Each side bears an impressive arsenal of chemical weapons that will define at the end the unset, or not, of the Sleeping Sickness. 

via: FEI Company

Springer Medicine
Springer Medicine is part of Springer Verlag, a global publishing company. They have created a series of magnificent anatomical illustrations to accompany their medical publications.

Photo caption: Abdominal cavity, computer artwork. The spine is at right, with the aorta, the main artery of the body, at its left. At upper centre is one of the kidneys, which filter waste products from the blood. To its left is the spleen, which is part of the immune system. At centre is the small intestine, with the large intestine at left. Arteries are red, veins are blue, nerves are orange and lymph vessels are yellow.

via: sciencephoto

Scientific American Reference Book. A Manual for the Office, Household and Shop
Albert A. Hopkins, A. Russell Bond

The Editor of the Scientific American receives during the year thousands of inquiries from readers and correspondents covering a wide range of topics. The information sought for, in many cases, can not readily be found in any available reference or text-book. It has been decided, therefore, to prepare a work which shall be comprehensive in character and which shall contain a mass of information not readily procured elsewhere. The very wide range of topics covered in the Scientific American Reference Book may be inferred by examining the index and table of contents. This work has been made as nontechnical as the subjects treated of will admit, and is intended as a ready reference book for the home and the office.

(source)

science:

Quasicrystals as sums of waves in the plane.

14-billion-years-later:

The physics behind raindrops.

If I were to ask you to picture in your head the shape of a raindrop you’d probably think about the standard, idealized almost pear shaped tear drop. This however is no more accurate a depiction of rain as those drawings of hearts or atoms. In reality water flattens out due to the force of the air rushing past and this effect only becomes more noticeable as the size increases. In fact smaller droplets of rain are almost totally spherical but as the size increases they get flatter and wider. Raindrops larger than about 4.5 mm however are torn apart by this force and bulge out the back, being thicker at the bottom edge. This causes them to disperse into smaller raindrops once again until they either hit the ground or join back up with other droplets and the process is repeated.

Your genes

You have your genes to thank – or blame – for your appearance. Genes are your body’s instruction manual. They affect the way you look, your health, and the way your body works.

via: Who I am?

Knitted chromosomes - (telomere) old and new
for a London Science Museum exhibit in the Who am I? gallery.
For more info see stitchLDN

via: Flickr