To insert current date, simply enter =TODAY() in the cell where you want it. Since all the dates and times are stored as numbers in Excel, make sure that the cell is formatted to display the result of the TODAY function in the date format. To do this: Right-click on the cell and select format cell.
This phrase comes from In Memoriam by Alfred, Lord Tennyson. The full phrase is Nature red in tooth and claw = untamed nature which is inherently violent. Who trusted God was love indeed And love Creation's final law Tho' Nature, red in tooth and claw With ravine, shriek'd against his creed
If you fight tooth and nail for something, you fight as hard as you can to get it or achieve it. The independent regions are fighting tooth and nail to keep their special status. Note: You can also say that you fight tooth and claw to achieve something. Environmental groups are fighting tooth and claw to protect these forests.