Juergen Freund / Aerial view of a seaweed farmer tending his crop, growing agar-agar for processing into carageenan (gelatinous extracts used as binder for food or product) Philippines, May 2009.

Juergen Freund / Aerial view of a seaweed farmer tending his crop, growing agar-agar for processing into carageenan (gelatinous extracts used as binder for food or product) Philippines, May 2009

Nigel Cattlin / Yeasts and fungal mycelium culture contamination on culture nutrient Agar petri dish.

Paul D Stewart / Agar seaweed (Eucheuma cottonii) seaweed grown commercially on long lines in the shallow waters off southern, drying in the sun. Sulawesi, Indonesia. It is used in the production of agar / carrageenan...

Paul D Stewart / Agar seaweed (Eucheuma cottonii) seaweed grown commercially on long lines in the shallow waters off southern Sulawesi, Indonesia. It is used in the production of agar / carrageenan, important products...

Juergen Freund / Aerial view of farmers on outrigger boat working at a seaweed farm growing agar-agar for processing into carageenan (gelatinous extracts used as binder for food or product) Philippines, May 2009.

Juergen Freund / Aerial view of a seaweed farm growing agar-agar for processing into carageenan (gelatinous extracts used as binder for food or product) Philippines, May 2009.

SINCLAIR STAMMERS / A petri dish contains the Slime mould (Physarum polycephalum) which is growing in culture on nutrient agar.

Jeff Rotman / A novel actinomycetes (bacterium known to produce antibiotics) isolated from marine biomass collected from oil-rig platform growing on an agar plate, Laboratory, Louisiana State University, Baton Roug...

Tom Gilks / Scientist with agar plates testing water samples, Gambia (Reconstruction) 2007

Tom Gilks / African woman Scientist with agar plates testing water samples, Gambia (Reconstruction) 2007

Tom Gilks / African scientist with agar plate testing water samples, Gambia (Reconstruction) 2007

Peter Scoones / Harvesting seaweed {Agar agar} Lembongan, Indonesia

Adrian Davies / Penicillin mould growing on agar {Penicillin notatum} fungus

Nigel Cattlin / A culture of Rice blast fungus (Magnaporthe grisea) growing on a PDA nutrient agar plate.

Alex Hyde / Soil bacteria cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Cultured at the University of Derby. Derbyshire. UK. March. 10mm across, x10 magnification when pr...

Alex Hyde / Soil bacteria cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Cultured at the University of Derby, Derbyshire, UK. March. 23mm across, x4 magnification when pri...

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar, imaged under partial ultraviolet lighting showing fluorescence of a Pseudomonas sp. colony in a soil sample from Via Gella Woods, Derbyshire, UK. Mar...

Alex Hyde / Soil bacteria cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Cultured at the University of Derby, Derbyshire, UK. March. 9mm across, x11 magnification when pri...

Alex Hyde / Soil bacteria cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Image size in real life 10mm across. UK. March. 10mm across, x10 magnification when printed 10cm w...

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar from a soil sample collected from Wigwell, Derbyshire. UK. March. 60mm across, x1.7 magnification when printed 10cm wide.

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Cultured at the University of Derby, Derbyshire, UK. March. Image size in real life 9mm...

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar and viewed under ultraviolet light, showing fluorescence of Pseudomonas sp. colonies, from a soil sample collected in Via Gellia Woods, Derbyshire.UK....

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire, UK, March.

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar from a soil sample collected at Wigwell, Derbyshire, UK. March.