This animal has been found to call others in its cohort with individualized "names" across the savanna, allowing it to keep contact with friends and relatives using low rumbles. (Read the article here.)

The objective of the game is to find words that can be made with the given letters such that all the words include the letter in the center. You can enter letters by clicking on them or typing them in. Press Enter to submit a word. Letters can be used multiple times in a single word, and words must contain four letters or more for this size layout. Select the Play Together icon in the navigation bar to invite a friend to work together on this puzzle. Pangrams, words which incorporate all the letters available, appear in bold and receive bonus points. One such word is always drawn from a recent Scientific American article, with a hint and link available in the dropdown above this explanation. You can also get hints to other words in the puzzle by hitting the life preserver icon in the game display.