Images Dated 9th October 2002

Butterfly wing, SEM

Butterfly wing. Image 2 of 6. Coloured scanning electron micrograph (SEM) of the surface of a wing from an unidentified butterfly (order Lepidoptera, meaning "scale-wing" in Greek). A butterfly wing is covered in many tiny scales that are modified hairs (setae). These are made of chitin, a common substance in insect exoskeletons. The iridescence of the colours of a butterfly's wings is produced by the diffraction of light by the microscopic structure of these scales. Magnification: x50 at 6x7cm size. For a sequence that magnifies the wing of a butterfly down to the light-diffracting scale structures, see images Z355/692-697

© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY

Fish-eye view of a haul of halibut on a rack

Halibut haul. Fish-eye view of a haul of Pacific halibut (Hippoglossus hippoglossus stenolepis) hanging on a rack in Homer, Alaska, USA. Halibut are the largest of the flatfish, and are an important and delicious food fish. They prefer living on sandy seabeds, and are found as deep as one kilometre down. They mainly eat other fish, although lobsters and squid are also taken. They are themselves eaten by sharks and seals, and of course humans. They have been hunted for centuries by native American Indians. A vitamin-rich oil is obtained from their liver, which can be taken as a dietary supplement

© G. BRAD LEWIS/SCIENCE PHOTO LIBRARY

World Rally Championship: The top 3 rally crews celebrate on the podium Kaj Lindstrom / Tommi Makinen Subaru 3rd, Timo Rautianen / Marcus Gronholm Peugeot 1st

The top 3 rally crews celebrate on the podium (L-R) Kaj Lindstrom (FIN) / Tommi Makinen (FIN) Subaru 3rd, Timo Rautianen (FIN) / Marcus Gronholm (FIN) Peugeot 1st, Voitto Silander (FIN) / Harri Rovanpera (FIN) Peugeot 2nd.
World Rally Championship, Rd12, Rally of New Zealand, Auckland, New Zealand, 6 October 2002.
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© Sutton Motorsport Images