Solvin Zankl / Research scientist Dr. Anne von Philipsborn sorting a laboratory culture of Common fruit flies (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austri...

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture Curly (wings turn up) mutant, the mutations are used as genetic markers in gene research, Vienna Drosophila RNAi Center, Institute for Mol...

Solvin Zankl / Sorting Common fruit fly (Drosophila melanogaster) laboratory culture embryos for DNA injection at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria.

Solvin Zankl / Laboratory culture of Wild type Common fruit flies (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster)Vienna Drosophila RNAi Center, Institute of Molecular Pathology, Austria [focus staking]

Onne van der Wal / Fleet rounding markers during the RC44 Circuit in Miami. Florida, USA, December 2010. All non-editorial uses must be cleared individually.

Benoit Stichelbaut / Rounding a mark at Spi Ouest-France, La Trinite sur Mer, Brittany, France. April 2010.

Doug Gimesy / Man swimming with boat markers and a boat visible in the background. Port Philip Bay, Elwood, Victoria, Australia.

Juan Carlos Munoz / Markers surrounding seabass farm, Secovlje Saline Nature Park, Slovenia, October 2014.

Juan Carlos Munoz / Markers surrounding seabass farm, Secovlje Saline Nature Park, Slovenia, October 2014.

Juan Carlos Munoz / Markers surrounding seabass farm, Secovlje Saline Nature Park, Slovenia, October 2014.

Kirkendall-Spring / Trail sign markers along Indian Creek Trail part of the Mountain-to-Sea Trail in Hanging Rock State Park. North Carolina, USA, October 2013.

Adrian Davies / Lichens including Xanthoria parietina and Ochrolechia parella on tombstones in village churchyard. Slapton, Devon, England, UK, July 2013.

Rick Tomlinson / Fleet racing in the sun during the 81st Round the Island Race, Isle of Wight, England, June 2012. All non-editorial uses must be cleared individually.

Rick Tomlinson / Fleet racing in the sun during the 81st Round the Island Race, Isle of Wight, England, June 2012. All non-editorial uses must be cleared individually.

Benoit Stichelbaut / Yachts rounding mark at the start of La Transat AG2R La Mondiale, Brittany, France, April 2012. All non-editorial uses must be cleared individually.

Onne van der Wal / Aerial view of yachts racing in the New York Yacht Club Invitational Cup, Newport, Rhode Island, September 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Yacht passing marker during the New York Yacht Club Invitational Cup, Newport, Rhode Island, September 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Yachts racing in the New York Yacht Club Invitational Cup, Newport, Rhode Island, September 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Boats racing in the Beetle Cat Championships, Weekapaug, Rhode Island, USA, August 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Swallow Boats sailing boats off the coast of Newport, Rhode Island, USA, August 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Yachts racing under spinnaker during Block Island Race Week, Rhode Island, USA, June 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Yachts lowering their spinnakers as they approach marker during Block Island Race Week, Rhode Island, USA, June 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / Yachts lowering their spinnakers as they approach marker during Block Island Race Week, Rhode Island, USA, June 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / 'Velsheda' and 'Ranger' racing in the J-class Yacht Regatta, Newport, Rhode Island, USA, June 2011. All non-editorial uses must be cleared individually.

Onne van der Wal / 'Puma Ocean Racing' approaching marker during the New York Yacht Club Annual Spring Regatta, Rhode Island, USA, June 2011. All non-editorial uses must be cleared individually.

Philippe Clement / The Passage du Gois / G??a tidal causeway from Beauvoir-sur-Mer to the ?e de Noirmoutier, La Vend? Pays de la Loire, France

Benoit Stichelbaut / Lighthouse in atmospheric seas off the coast of Le Guilvinec, Finistere, France, December 2011.

Benoit Stichelbaut / Marker in heavy seas off the coast of Le Guilvinec, Finistere, France, December 2011.

Benoit Stichelbaut / Marker in heavy seas off the coast of Le Guilvinec, Finistere, France, December 2011.

Benoit Stichelbaut / Fleet racing at the beginning of the Transat BtoB, St Barthelemy, Caribbean, December 2011. All non-editorial uses must be cleared individually.

Solvin Zankl / Research scientist sorting a laboratory culture of Common fruit flies (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria, October 2010

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture of flies demonstrating various mutations at Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria, September 2010

Solvin Zankl / Common fruit flies (Drosophila melanogaster) laboratory culture of flies showing Yellow (yellow pigmentation), Curly (wings curl away from body) and Orange (less red pigmentation in eyes) mutations. T...

Solvin Zankl / Common fruit flies (Drosophila melanogaster) laboratory culture of flies showing Yellow (yellow pigmentation), Curly (wings curl away from body) and Orange (less red pigmentation in eyes) mutations. T...

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture Yellow (yellow body pigmentation) and Curly (wings turn up) mutant, the mutations are used as genetic markers in gene research, Vienna Dro...

Solvin Zankl / Common fruit fly (Drosophila melanogaster) laboratory culture Curly (wings turn up) and Orange (eyes are less red) mutant, the mutations are used as genetic markers in gene research, Vienna Drosophila...

Solvin Zankl / Mating behaviour in Common fruit flies (Drosophila melanogaster) studied in laboratory for gene research, a Yellow (body pigmentation) Curly (wings turn up) type mutant male mates with a Yellow, Curly...

Solvin Zankl / Mating behaviour in Common fruit flies (Drosophila melanogaster) studied in laboratory for gene research, a Curly (wings turn up) and Orange (less red pigment in the eyes) mutant female rejects the ma...

Solvin Zankl / Using fine electrodes to measure brain activity in Common fruit fly (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria.

Solvin Zankl / Common fruit fly (Drosophila melanogaster) showing the Orange mutation (eyes have fewer red pigments than normal) the mutation is used as a genetic marker. Vienna Drosophila RNAi Center, Institute for...

Solvin Zankl / Common fruit fly (Drosophila melanogaster) showing the Curly mutation (wings curl away from the body) The mutation is used as a genetic marker. Vienna Drosophila RNAi Center, Institute for Molecular P...

Solvin Zankl / Dr. Krystyna Keleman and Dr Barry Dickson with drawing of Common fruit fly (Drosophila melanogaster), research scientists at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austr...

Solvin Zankl / Wild type Common fruit flies (Drosophila melanogaster) from laboratory culture, the flies were fed with green and red food for staining purposes, Vienna Drosophila RNAi Center, Institute for Molecula...