Internet Explorer is not supported by this site and Microsfot has stopped releasing updates, therefore you may encounter issues whilst visiting this site and we strongly recommend that you upgrade your browser for modern web functionality, a better user experience and improved security.
Upgrade my browserWhen Dr. Gary Greenberg turned his microscope on beach sand, gemlike minerals, colourful coral fragments, and delicate microscopic shells emerged. You…
Sorry this page is currently only available in:
Español HomepageSorry this page is currently only available in:
Deutsch HomepageSorry this page is currently only available in:
Nederlands HomepageWe take your privacy seriously and only use cookies to provide a better browsing experience or to monitor performance. For more info: Read Policy