Science Source Feb 2010

Optical microscope image of blonde human hairs. The identification of different types of fibers is critical to investigating a crime scene. The magnif...

Optical microscope image of blonde human hairs. The identification of different types of fibers is critical to investigating a crime scene. The magnif...

Optical microscope image of horse hair. The identification of different types of fibers is critical to investigating a crime scene. The magnification...

Optical microscope image of horse hair. The identification of different types of fibers is critical to investigating a crime scene. The magnification...

Optical microscope image of hemp fibers. These fibers are from the help plant . The identification of different types of fibers is critical to investi...

Fruit fly. Optical Micrograph of the head of a fruit fly Drosophila melanogaster. Drosophila melanogaster has been used for many years in genetic stud...

Optical microscope image of dog hair. The identification of different types of fibers is critical to investigating a crime scene. The magnification is...

Optical microscope image of dog hair. The identification of different types of fibers is critical to investigating a crime scene. The magnification is...

Optical microscope image of three deer hairs (Odocoileus virginianus). The identification of different types of fibers is critical to investigating a...

Optical microscope image of three deer hairs (Odocoileus virginianus). The identification of different types of fibers is critical to investigating a...

Optical microscope image of dacron fibers. Dacron or polyethylene terephthalate (pet) is a thermoplastic polymer and is used in synthetic fibers and b...

Optical microscope image of cotton fibers. Cotton is made from the fibers of the cotton plant (Gossypium sp). The identification of different types of...

Optical microscope image of cat hair. The identification of different types of fibers is critical to investigating a crime scene. The magnification is...

Optical microscope image of cat hair. The identification of different types of fibers is critical to investigating a crime scene. The magnification is...

Taxus baccata is a conifer native to Europe and southwest Asia. The superior qualities of the wood made it the required wood for the medieval long bow...

Taxus baccata is a conifer native to Europe and southwest Asia. The superior qualities of the wood made it the required wood for the medieval long bow...

Taxus baccata is a conifer native to Europe and southwest Asia. The superior qualities of the wood made it the required wood for the medieval long bow...

Transverse section stem of Wisteria (Wisteria sinensis). Light micrograph of a section through an ivy stem. The magnification is 32 times when printed...

Transverse section stem of Wisteria (Wisteria sinensis). Light micrograph of a section through a stem. The magnification is 200 times when printed 10...

Transverse section of an Umbrella Pine Stem (Sciadopitys verticillata). Light micrograph of a section through the stem. The Umbrella Pine, also called...

Transverse section of an Umbrella Pine Stem (Sciadopitys verticillata). Light micrograph of a section through the stem. The Umbrella Pine, also called...

Transverse section of an Umbrella Pine Stem (Sciadopitys verticillata). Light micrograph of a section through the stem. The Umbrella Pine, also called...

Transverse section of an Umbrella Pine Stem (Sciadopitys verticillata). Light micrograph of a section through the stem. The Umbrella Pine, also called...

Sweet Flag Stem (Acorus calamus). Light micrograph of a section through a fig tree stem. The large holes are cross-sections of xylem, vascular tissue...

Sweet Flag Stem (Acorus calamus). Light micrograph of a section through a fig tree stem. The large holes are cross-sections of xylem, vascular tissue...

Sweet Flag Stem (Acorus calamus). Light micrograph of a section through a fig tree stem. The large holes are cross-sections of xylem, vascular tissue...

Sweet Flag Stem (Acorus calamus). Light micrograph of a section through a fig tree stem. The large holes are cross-sections of xylem, vascular tissue...

Sweet Flag Stem (Acorus calamus). Light micrograph of a section through a fig tree stem. The large holes are cross-sections of xylem, vascular tissue...

Transverse section of a Acacia dealbata (Silver Wattle) stem. Silver Wattle is a species of Acacia, native to southeastern Australia. It is a fast gro...

Transverse section stem of a Raspberry Stem (Rubus strigosus). Light micrograph of a section through the stem. Also called the American Red Raspberry...

Transverse section stem of a Raspberry Stem (Rubus strigosus). Light micrograph of a section through the stem. Also called the American Red Raspberry...

Transverse section stem of an oak tree (Quercus robur). Light micrograph of a section through the stem. The magnification is 200 times when printed 10...

Transverse section stem of an oak tree (Quercus robur). Light micrograph of a section through the stem. The magnification is 200 times when printed 10...

Transverse section of a King Solomon's-seal (Polygonatum muliiflorum) stem. Polygonatum (King Solomon's-seal, Solomon's Seal) is a genus of about 50 s...

Transverse section of a King Solomon's-seal (Polygonatum muliiflorum) stem. Polygonatum (King Solomon's-seal, Solomon's Seal) is a genus of about 50 s...

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 600 times when printed 10 inches wide.

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 600 times when printed 10 inches wide.

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 200 times when printed 10 inches wide.

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 200 times when printed 10 inches wide.

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 200 times when printed 10 inches wide.

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 200 times when printed 10 inches wide.

Light micrograph of a transverse section of ivy stem (Hedera), a dicotyledon. The magnification is 32 times when printed 10 inches wide.

Transverse section of a honeysuckle stem. Honeysuckle (Lonicera periclymenum) is also known as Common Honeysuckle, European Honeysuckle and woodbine....

Transverse section of a honeysuckle stem. Honeysuckle (Lonicera periclymenum) is also known as Common Honeysuckle, European Honeysuckle and woodbine....

Transverse section of Hogweed Stem (Heracleum mantegazzianum). Light micrograph of a section through the stem. Hogweed is a very invasive plant. The m...

Transverse section of Hogweed Stem (Heracleum mantegazzianum). Light micrograph of a section through the stem. Hogweed is a very invasive plant. The m...

Transverse section of Hogweed Stem (Heracleum mantegazzianum). Light micrograph of a section through the stem. Hogweed is a very invasive plant. The m...

Figwort stem (Scrophularia nodosa). Light micrograph of a section through a figwort stem. The large holes are cross-sections of xylem, vascular tissue...

Figwort stem (Scrophularia nodosa). Light micrograph of a section through a figwort stem. The large holes are cross-sections of xylem, vascular tissue...

Light micrograph of a section through a fig tree stem (Ficus sp.). The large holes are cross-sections of xylem, vascular tissue used to transport wate...