Images Dated 26th April 2007

Vascular bundle, SEM

Vascular bundle. Coloured scanning electron micrograph (SEM) of a section through a vascular bundle from a rootlet of a dicotyledon plant. The vascular bundle consists of xylem (yellow) and phloem (pink) tissue. Xylem transports water and mineral nutrients from the roots throughout the plant and phloem transports carbohydrates and plant hormones around the plant. Surrounding the vascular bundle is single layer of endodermis (purple) and then cortex (green), which consists of parenchyma cells. Magnification: x400 when printed at 10 centimetres wide

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

A Sailor fires a weapon

Camp Beuhring, Kuwait, April 26, 2007 - A Sailor fires a weapon during an enhanced marksmanship program exercise

© Stocktrek Images

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DUKE OF WELLINGTON (1769-1852). Arthur Wellesley, 1st Duke of Wellington. English general

DUKE OF WELLINGTON
(1769-1852). Arthur Wellesley, 1st Duke of Wellington. English general and statesman. Red chalk drawing, August 1812, by Francisco Goya y Lucientes

© none

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