For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. Scientists are trying to learn their secrets and to protect them.
For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. Scientists are trying to learn their secrets and to protect them.
For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. Scientists are trying to learn their secrets and to protect them.
For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. Scientists are trying to learn their secrets and to protect them.
For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. Scientists are trying to learn their secrets and to protect them.