Photo Researchers ftp March 2011

Gamma-hydroxybutyric acid molecular model. Carbon: gray, Oxygen: red, Hydrogen: cyan. GHB is a naturally occurring substance found in the central ne...

Gamma-hydroxybutyric acid molecular model. Carbon: blue, Oxygen: yellow, Hydrogen: beige. GHB is a naturally occurring substance found in the centra...

Gamma-hydroxybutyric acid molecular model. Carbon: green, Oxygen: orange, Hydrogen: light blue. GHB is a naturally occurring substance found in the...

Gamma-hydroxybutyric acid molecular model. Carbon: purple, Oxygen:green, Hydrogen: yellow. GHB is a naturally occurring substance found in the centr...

Gamma-hydroxybutyric acid molecular model. Carbon: dark red, Oxygen: blue, Hydrogen: green. GHB is a naturally occurring substance found in the cent...

Gamma-hydroxybutyric acid molecular model. Carbon: gray, Oxygen: red, Hydrogen: white. GHB is a naturally occurring substance found in the central n...

Gamma-hydroxybutyric acid molecular model. Carbon: blue, Oxygen: red, Hydrogen: yellow. GHB is a naturally occurring substance found in the central...

Psoriasis, a disease which affects the skin and joints. Psoriasis causes excessive skin production, resulting in red scaly patches and inflammation.

Psoriasis, a disease which affects the skin and joints. Psoriasis causes excessive skin production, resulting in red scaly patches and inflammation.

Psoriasis, a disease which affects the skin and joints. Psoriasis causes excessive skin production, resulting in red scaly patches and inflammation.

Psoriasis, a disease which affects the skin and joints. Psoriasis causes excessive skin production, resulting in red scaly patches and inflammation.

Human liver with cirrhosis, a disease characterized by the replacement of normal tissue with fibrous tissue and the loss of functional liver cells.

Gamma-hydroxybutyric acid molecular model. Carbon: gray, Oxygen: red, Hydrogen: cyan. GHB is a naturally occurring substance found in the central ne...

Gamma-hydroxybutyric acid molecular model. Carbon: gray, Oxygen: red, Hydrogen: cyan. GHB is a naturally occurring substance found in the central ne...

Gamma-hydroxybutyric acid molecular model. Carbon: gray, Oxygen: red, Hydrogen: cyan. GHB is a naturally occurring substance found in the central ne...

Gamma-hydroxybutyric acid molecular model. Carbon: gray, Oxygen: red, Hydrogen: cyan. GHB is a naturally occurring substance found in the central ne...

Glasshouse potato aphids (Aulacorthum solani) on a potato leaf

Glasshouse potato aphids (Aulacorthum solani) on a potato leaf

Australian ladybird (Cryptolaemus montrouzieri) feeding on citrus mealybugs

Australian ladybird (Cryptolaemus montrouzieri) feeding on citrus mealybugs

Pink woodlouse (Androniscus dentiger) woodlice on wood

Pink woodlouse (Androniscus dentiger) on wood

Currant-sowthistle aphid (Hyperomyzus lactucae) and effect of entomopathogenic fungi on blackcurrant

Scots pine adelges (Pineus pini) insects on scots pine shoot

Oleander aphid (Aphis nerii) feeding on Gomphocarpus physocarpus

Red currant blister aphid (Cryptomyzus ribis) infestation on currant leaf underside

Oleander aphid (Aphis nerii) feeding on Gomphocarpus physocarpus

Red currant blister aphid (Cryptomyzus ribis) on red currant leaf underside

Scots pine adelges (Pineus pini) on scots pine male flower

Willow carrot aphid (Cavariella aegopodii) on parsley

Hawthorn parsley aphid (Dysaphis apiifolia) on parsley

Mint aphid alate (Ovatus crataegarius) on mint leaf

Mint aphid (Ovatus crataegarius) adult & juveniles on mint leaf

Mint aphid (Ovatus crataegarius) adult & juvenile on mint leaf

Hazel aphid (Myzocallis coryli) adult aphid & nymphs

Mint aphids (Ovatus crataegarius) brachyopterous wingless adult on mint leaf underside

Reddening and discolouration of hydrangea foliage under stress

Root rot (Phytophthora cactorum) symptoms on an ornamental orchid house plant

Bacterial shot-hole (Xanthomonas pruni) symptoms in cherry laurel leaf

Bark beetle (Xyleborus sp.) a wood boring beetle in damaged ornamental tree

Bark beetle (Xyleborus sp.) wood boring beetles in damaged ornamental tree

Bark beetle (Xyleborus sp.) wood boring beetles in damaged ornamental tree

Bark beetle (Xyleborus sp.) a wood boring beetle larva in damaged ornamental tree

Bark beetle (Xyleborus sp.) a wood boring beetle pupa in damaged ornamental tree

December moth (Poecilocampa populi) adult in mid winter

Beach and sandstone of East Cliff at West Bay near Bridport on the Jurassic Coast of Dorset

Beach and sandstone of East Cliff at West Bay near Bridport on the Jurassic Coast of Dorset

Glasshouse mealybugs (Pseudocococcus affinis) on ornamental house plant leaf (Clivia miniata)

Harlequin ladybird (Harmonia axyridis) black colour variation with four red spots with aphids

A predatory mite (Amblyseius swirskii) attacking a food mite (Carpophagus sp.)