New research suggests that a baby's sense of smell may play a large role in how it acquires the ability to be afraid. All it needs is a mom in distress.
The animal with the worldâ€™s best sense of smell has been named, along with nine other contenders.
The nose isn't the only part of the body that knows and detects odors.
Odorific messages, called oNotes, add a new dimension to telecommunication.