How to use access keys on this website
We aim to make our website accessible to as many people as possible and are implementing the access keys system.
Access keys are keyboard shortcuts which allow a user to navigate a web site without using a mouse or other pointing device. This can sometimes be quicker and may assist those with motor skill difficulties.
How to use access keys in your browser
Different browsers use access keys in different ways. Please see below list of browsers and how to use the access keys function.
Firefox 2: Hold down the SHIFT key and the ALT key and then press the number of the access key
Firefox 1.5 for PCs: Hold down the ALT key and press the number of the access key
Opera 9: Hold SHIFT and the ESC key and the list of access keys will appear.
Internet Explorer 5+: Hold down the ALT key, press the number of the access key, release both keys then press ENTER
Internet Explorer 4: Hold down the ALT key and press the number of the access key
Netscape 7: Hold down the ALT key and press the number of the access key
Netscape 6+: Hold down the ALT key and select the number/letter of the access key
Netscape earlier versions: Access keys are not supported
Browsers for Macs
Firefox 2: Hold down the SHIFT key and the ALT key and then press the number of the access key
Firefox 1.5: Hold down the CTRL key and press the number of the access key
Safari: Hold down the CTRL key and press the number of the access key
Opera 9: Hold SHIFT and the ESC key and the list of access keys will appear.
Internet Explorer 5+: Hold down the CTRL key and press the number of the access key
Internet Explorer 4.5: Access keys are not supported
Table of access keys
— S Skip navigation
— 0 Access key details (this page)
— 1 Home page
— 2 Not yet available on this web site
— 3 Sitemap
— 4 Not yet available on this web site
— 5 Not yet available on this web site
— 6 Not yet available on this web site
— 7 Not yet available on this web site
— 8 Terms and conditions
— 9 Contact us
Customise your display
Display controls are provided in the top right-hand corner of every page (excluding some specialist science pages). Clicking each image will set your default view for every page on our web site. (NB. Requires Javascript and Cookies to be enabled.)
Smaller font size
Default font size
Larger font size
High contrast, yellow text on a black background
Making text larger in your browser
See the following instructions on how to increase the size of the text on any web page you are viewing.
In Internet Explorer
Open the ' View ' menu with the mouse or by pressing ' Alt ' + ' V ' .
Select the ' Text Size ' option with the mouse or by pressing ' X ' .
Choose your preferred text size with the mouse or by using the up and down arrow keys and pressing ' Enter ' or by clicking on it.
In Mozilla Firefox:
Open the ' View ' menu with the mouse or by pressing ' Alt ' and ' V ' at the same time.
Select the ' Text Size ' option (v2), ' Zoom ' (v3) with the mouse or by pressing ' S ' twice.
Increase or decrease the text size with the mouse or by using the up and down arrow keys and pressing ' Enter '.
Alternatively you can press ' Ctrl ' and ' + ' to increase the text size, ' Ctrl ' and ' - ' to decrease the text size. ' Ctrl ' and ' 0 ' returns you to the default size.
Other browsers may vary so please see there help section.