Danielle Smith-Llera

"Discusses the iconic photograph of revolutionary Che Guevara taken in 1960 by Cuban photographer Alberto Korda"--

"Scientists have recently started studying plastic pollution and our food supply. And, make no mistake, you are eating microscopic pieces of plastic everyday. What does it mean for our health? And what can you do about it? Students will get practical tips on how they can get involved and become part of the solution." --

Millions of tons of plastic slip into oceans every year. Some floats and travels slowly with the currents, endangering the health of marine animals. The rest is hardly visible but is far more dangerous. Tiny bits of plastic sprinkle the ocean's surface or mix into the sandy seafloor and beaches. It ends up inside birds, fish, and other animals, harming them-and ultimately humans. Experts struggle with fear and hope as they work to stop the flood of...

The final match of the 2001 U.S. Open featuring tennis stars Venus and Serena Williams was groundbreaking. It was first time siblings had squared off in the final match for more than 100 years. And it was the first time both players were black. The photo of the smiling Williams sisters holding their trophies after the tennis match appeared in newspapers around the globe. It captured two athletes who fought, and would continue to fight, for a place...

Present-day Virginia was home to the early Powhatan tribes. But settlers were eager to explore the rich land and the rivers in the area. The Powhatan were forced to adapt to new ways of life. But they continue to thrive in modern America, remembering and honoring their past traditions.

The Chumash thrived along the Pacific coast in California for centuries. But eventually new settlers wanted their land and forced the Chumash into a new way of life. Today, the Chumash celebrate their traditions as they move toward the future in modern America.

The Iroquois Confederacy served as model for the founding fathers who wrote the U.S. Constitution. The Iroquois today continue their proud tradition of representative democracy as they thrive in modern America.

To the untrained eye, Photo 51 was simply a grainy black and white image of dark marks scattered in a rough cross shape. But to the eye of a trained scientist, it was a clear portrait of a DNA fiber taken with X-rays. And to young scientists James Watson and Francis Crick, it confirmed their guess of deoxyribonucleic acid's structure. In 1953, the pair was racing toward solving the mystery of DNA's structure before other scientists could beat them...

A massive tsunami caused by the strongest earthquake to ever hit Japan triggered the world's worst nuclear crisis since the Chernobyl accident 25 years earlier. The monster waves that crashed into the Fukushima Daiichi nuclear plant in March 2011 killed 15,000 people and caused nuclear reactor meltdowns that threatened the lives of thousands more. The waves receded long ago, but the devastating effects of the nuclear accident still linger.

On-point historical photographs combined with strong narration bring the story of the civil rights marches to life. Kids will learn about the way in which Southern states kept African Americans from voting and the history that led to nonviolent civil rights marches to fight for the right to vote guaranteed by the Constitution. As an added bonus, readers will learn about how this played out on TV and galvanized the civil rights movement, leading to...