Science Source Feb 2010

Contaminated injection needle, containing human blood on its surface. SEM. Width 1.25 micrometers.

Contaminated injection needle, containing human blood on its surface. SEM. Width 1.19 micrometers.

Contaminated injection needle, containing human blood on its surface. SEM. Width 2.38 micrometers.

Evaporated tear drop on glass slide showing salt content (NaCl). The temperature and volume of the liquid decreases as the tear evaporates, and salt w...

Caribbean sand, consisting of coral and shell fragments. SEM. Width 1.4 mm. 24x.

Caribbean sand, consisting of coral and shell fragments. SEM. Width 1.0 mm. 33x.

Canadian Shield river sand (from the Rideau River), consisting of sharp grains which are light and dark in color. SEM. Width 2.5 mm. 13x.

Canadian Shield river sand (from the Rideau River), consisting of sharp grains which are light and dark in color. SEM. Width 1.55 mm. 21x.

Light micrograph of Volvox globator. Volvox can be classified either with the green algae (plants) or flagellates (animals). The colony is a large hol...

Caribbean beach sand. SEM. Width 2.15 mm. 16.4x.

Caribbean beach sand. SEM. Width 1.42 mm. 24.6x.

Caribbean beach sand. SEM. Width 510 micrometers. 68x.

Caribbean beach sand. SEM. Width 1.02 mm. 34x.

Scanning electron micrograph (SEM) of a kidney stone, composed of calcium-oxalate crystals. Such stones form in the kidneys when salt compounds precip...

A scanning electron micrograph (SEM) of silk fabric.

TEM of Lactobacillus. Cell surface shows exocellular polysaccharides. PR 3M6726.

TEM of Lactobacillus. Cell surface shows exocellular polysaccharides. PR 3M6725.

Pancreas with diabetes. Bright field microscopy. Magnification: 10x.

Osmosis in elodea plant cells. Brightfield. 100x.

Wood charcoal (unburnt wood). LM. Width: 760 micrometers.

Color enhanced scanning electron microscope (SEM) image of bacteria on the surface of human skin. Magnification = 410x at 35mm film size.

SEM of sewing needle. 190 micrometers.

SEM of sewing needle. 190 micrometers.

SEM of laser printer toner (300ppi), unbaked on paper. 79 micrometers.

Color enhanced TEM of negatively stained Pseudomonas aeruginosa. Pseudomonas are a genus of small, motile, gram-negative bacilli with polar flagella....

Kefir microorganisms in grain, yeasts and lactobacteria. SEM. Width: 12 micrometers.

Fructose crystals on dried fig. SEM. Width: 950 micrometers.

Caribbean beach sand (coral and shell fragments). SEM. Height: 1.36 mm.

Whole milk coagulation in cheesemaking. The fat are the yellow globules. SEM. Width 28 micrometers.

Cross section of an oat straw; note the air cells in straw wall. SEM; width = 1.3mm.

SEM of kefir microorganisms. 24 micrometers.

Primary milk powder. SEM. 86 micrometers.

SEM of sewing needle tip.

Grains of sand from the Sahara desert in Tunisia. 1158 micrometers.

SEM of fructose crystallized on a dry fig.

SEM of home dust from Singapore. 90 micrometers.

Cross section of an oat straw. 1055 micrometers.

SEM of sand from a Caribbean beach. Width 1.9mm.

Micrograph of pancreas with advanced diabetes.

Color enhanced scanning electron microscope image of Gardnerella vaginalis, a bacterial case of vaginitis. Magnification = x2100 at 35mm film.

Computer enhanced diatoms. Original image by the German biologist Ernst Haeckel.

Meteorite, Allende. Type III Carbonaceous chondrite, magnification 50x. Polarized light micrograph of a section through a chondrule from a stony meteo...

Meteorite, Allende. Type III Carbonaceous chondrite, magnification 50x. Polarized light micrograph of a section through a chondrule from a stony meteo...

Meteorite, Allende. Type III Carbonaceous chondrite, magnification 50x. Polarized light micrograph of a section through a chondrule from a stony meteo...

Car air filter by SEM. The air filter is part of the air intake housing, the topmost component in an internal combustion engine of the type used in mo...

Tangled tail of defective human sperm.

Digital illustration of the AIDS (HIV) virus.

Digitial illustration of Aids (HIV) virus.

Photomicrograph of cellulose fibers under polarized light, 10x magnification.

Hypotrich, Euplotes sp. (Magnification: 150x at 35mm)