Philippe Clement / Lightning during thunderstorm above petrochemical industry seen through magnifying glass held against illuminated globe of the earth Digital composite

Gary K. Smith / Home grown Onions ( Allium cepa) varieties 'Red baron', and 'new fen globe' drying off for winter storage, UK, August

Wild Wonders of Europe / della Ferrera / Globe daisy (Globularia meridionalis) flowers by the Sturba River, Southern Livanjsko Polje (karst plateau) Bastasi area, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / Giesbers / Globe daisy (Globularia cordifolia) flowers, Liechtenstein, June 2009

Juergen Freund / Close up of face of inflated pufferfish {Arothron sp}, Indo-Pacific

Jeff Rotman / Black Blotched Porcupinefish (Diodon liturosus) inflated swimming in open ocean. Sipadan Islands, South China Sea.

Juergen Freund / Pufferfish (Arothron) inflated Indo-Pacific

Fred Bavendam / Porcupinefish (Diodon nicthemerus) swallows water to puff itself up and points its spines outward as a defense against predators, South Australia

Jeff Rotman / Pufferfish sleeps in Gorgonia coral at night. Borneo, Sipadan Island.

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) visiting Grape hyacinth (Muscari sp.). At 4.5 mm average size, this is one of the smallest bees in the UK, small enough to crawl inside a Grape Hya...

Tony Wu / Brown-lined puffer fish (Canthigaster rivulata) pair spawning. Shizuoka Prefecture, Honshu, Japan. June.

Magnus Lundgren / Wild Wonders of China / Valentin's toby (Canthigaster valentini), Xiaoliuqiu Island, Taiwan