“Mariposa de Barrio” synthesizes Rivera’s journey through music. In it, she self-describes as a caterpillar facing dark ...

In just the 9 to 14 days of the larval stage, a monarch caterpillar can grow to 2,700 times its original weight, going from about 2 millimeters to 5 centimeters. The monarch caterpillar sheds its skin ...