Alex Mustard / World War II British motorbikes (Norton 16H) stacked up on the back of truck in the hold of wreck of HMS Thistlegorm, with soldierfish (Myripristis murdjan) swimming above. Sha'ab Ali, Sinai, Egypt. R...

Alex Mustard / World War II British motorbikes (Norton 16H) stacked up on the back of truck in the hold of wreck of HMS Thistlegorm, with Soldierfish (Myripristis murdjan) swimming above. Sha'ab Ali, Sinai, Egypt. R...

Paul D Stewart / Photomontage of living gecko feet showing a variety of forms. Gecko feet employ very small subdivided filaments to bond with their substrates at the molecular level using Van Der Waals' forces. Every...

Jeff Rotman / Matses Indian men hold a thick-bodied, 18-foot long Anaconda (Eunectes notaeus) that they killed during a night hunt. Amazon, Peru, November 2005.

Andy Rouse / 2020VISION / Dipper (Cinclus cinclus) perched on rock in fast flowing river with food for young, Brecon Beacons NP, Wales, UK, May. Did you know? To hold their position and find prey in fast flowing streams, dippe...

Steven Kazlowski / Inupiaq / Inuit man hold his hand under the midnight sun in the Chukchi Sea, off shore from the arctic village of Barrow, Alaska, USA. April 2009

Fred Bavendam / Flashlight Fish (Anamalops katoptron) school in the hold of a shipwreck at a depth of 30 meters, Manado, North Sulawesi, Indonesia

Fred Bavendam / Pacific Giant Octopus (Enteroctopus dofleini) using its suction discs to hold two crabs it has caught, Quadra Island, British Columbia, Canada

Doug Perrine / Sperm whale mother and calf {Physester macrocephalus} North Atlantic, NB peeling skin from rubbing against other whales. Sperm whales can dive to a depth of 3,000m and hold their breath for 2 hours! H...

Alex Mustard / A backlit photo of a British World War II BSA M20 motorbike inside Hold 2 (port side, upper level) of the wreck of the Thistlegorm, with lionfish (Pterois volitans). Sha'ab Ali, Red Sea. Sinai, Eg...

Alex Mustard / A British World War II Ford (Fordson) WOT3 truck inside the lower level of the hold (hold 2, port side) of the SS Thistlegorm wreck, with Red Sea soldierfish (Myripristis murdjan). Sha'ab Ali, Sin...

TJ Rich / Young springer spaniel sitting on doorstep. Wiltshire, England, UK.