Kim Taylor / A hammer, with head held horizontally and then tossed in the air so that it turns end over end once before being caught, always turns precisely half a revolution on it long axis. Why?

Murray Cooper / Tawny-bellied Hermit (Phaethornis syrmatophorus) hummingbird feeding on flower, multi-flash image

Michael Durham / Western Small-footed Myotis (Myotis ciliolabrum) bat launching into flight from a basalt rock, Dutch Henry Falls Preserve, central Washington

Scott Leslie / Blue Jay (Cyanocitta cristata) with nut taking off, Granville Beach, Nova Scotia, Canada

Jim Brandenburg / Bamboo (Dendrocalamus sp) growth time exposures taken hourly, China

Jim Brandenburg / Bamboo (Dendrocalamus sp) growth time exposures taken hourly, China

Nick Upton / Remote camera linked to multiple flash guns to get high speed shots of Tree bumblebees (Bombus hypnorum) coming and going from a bird nest box on a house wall, Wiltshire, UK. June.

Charlie Hamilton-James / Two Pumas (Puma concolor) crossing river in rainforest using a fallen tree as a bridge, in very low light before dawn - creating a ghosting effect, as flash light mixes with long exposure of ambient...

Nick Garbutt / Egg size comparison to scale: extinct Elephant bird (Aepyornis maximus) - shell reconstructed from fragments found in dry river beds in southern Madagascar -, Common ostrich (Struthio camelus) and D...

Nick Garbutt / Egg size comparison to scale: extinct Elephant bird (Aepyornis maximus) - shell reconstructed from fragments found in dry river beds in southern Madagascar - and Common ostrich (Struthio camelus). Pho...

Nick Garbutt / Whole teeth (upper and side surface) - left and right lower jaw molars - of African elephant (Loxodonta africana) from Kenya / Tanzania. Photographed with multiple-flash set up. Focus stacked image.

Nick Garbutt / Whole teeth (side surface) - left and right lower jaw molars - of African elephant (Loxodonta africana) from Kenya / Tanzania. Photographed with multiple-flash set up. Focus stacked image.