A US researcher has earned $100,000 for deciphering zebra finch calls, identifying 11 core "words" that convey identity and intent. Dr. Julie Elie's groundbreaking work, which involved experiments where birds chose preferred sounds, suggests a deeper understanding of meaning rather than just acoustics. This achievement marks a significant step in the quest for interspecies communication, with the ultimate goal of a $10 million prize for true two-way dialogue.