ocr: clear hints Click one of the dates to display a list Move the cursor over the grid button of all the articles in that year relating to display a small representation of to the current Subject the whole grid. Click. a box on the mini-grid to move to any other location You can also reset the grid so all the boxes are visible Click the warning triangles to find out about the major environmental events Click the grid areas at the edges of which occurred in each year the screen to move around the grid
