The spider tree: Millions of arachnids escape rising floodwater in one of 12 stunning photographs for National Geographic competition
Trees cocooned in spiders webs after flooding in Pakistan, 7 December 2010 - Russell Watkins
'An unexpected side-effect of the 2010 flooding in parts of Sindh, Pakistan, was that millions of spiders climbed up into the trees to escape the rising flood waters; because of the scale of the flooding and the fact that the water took so long to recede, many…
In pictures: National Geographic photo contest 2012
Crop of photo by Peter Delaney - "He is big 4 meters tall and over 4 ton in weight, he is the 'Godfather'. In one fluid movement he sprays his forehead and for one brief moment he is covered in the magic of dust and light. Etosha, Namibia."
Scanning electron microscope image ofthe head of a maggot (Protophormia sp.) The maggots of this fly are used medicinally to clean wounds. The maggots are sterilised and placed in the wound, where they feed on dead tissue and leave healthy tissue untouched. Their saliva contains anti- bacterial chemicals which maintain sterility in the area. Maggots are used on ulcers and deep wounds away from organs or body cavities, most often being used to treat diabetic ulcers on the feet