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Biodiversity describes the variety of living things on Earth, in a particular place or in a particular ecosystem. Biodiversity is important for many reasons, from providing the very basic needs for the survival of living things to inspiring wonder. Biodiversity is under threat. Scientists estimate that as many as 50 species become extinct every day, and human activities have sped up the natural rate of extinction by up to 1000 times.
What do giant squids, mantis shrimp, and fireflies have in common? These animals, along with a wide range of creatures, are able to give off light; this is called bioluminescence. Author Marc Zimmer, a world-renowned specialist in fluorescent proteins, takes readers on a glowing journey into the frontiers of bioluminescence.
Black Americans have made important contributions in all areas of American life. This collective biography series profiles the lives and achievements of important Black Americans in science, business, politics, sports, and the arts. Every book focuses on five individuals (both historic and contemporary), all of whom are renowned in their fields of expertise. Primary and secondary source quotes add depth and enliven the narrative.
In February 2016, scientists captured for the first time ever the burplike sound of gravitational waves, the ripples in space-time that result from the collision of black holes. Black holes have captured popular imagination since Albert Einstein first predicted their existence in 1916. In the late 1960s, American theoretical physicist John Archibald Wheeler coined the term to describe a region in space with a gravitational force so strong that not even light can escape its grip. High-tech satell
Black Lives Matter was born in July 2013 after a jury exonerated the killer of an unarmed black youth named Trayvon Martin. Since that time it has become known as a formidable, often controversial, civil rights movement that seeks equality and fair treatment of black citizens by law enforcement and by society as a whole.
Discover the stories of groundbreakers in Black history, from astronauts and athletes to poets and presidents. Each book features ten main biographies of significant Black men and women. Smaller biographies introduce six more people and their contributions. Both written and illustrated by people of Black heritage, each title is fully illustrated with vibrant and engaging artwork throughout.
When Chatham begins to understand more about a crime she witnessed a decade ago, she disappears . . . in a blink. Finding her means more than simply saving her. It could also be the key to the town's longest unsolved mystery. Joshua's in love with Chatham and he's determined to find her and untangle the web of lies and mystery surrounding her. But who is Chatham really and what is her connection to the crime that was committed so long ago?
Calvin Johnston’s secret is out. He and his brothers are tainted. Untouchable. And the bad blood flowing through their veins is threatening to kill them. So are some of their neighbours in Ashland, the "Friendliest Little Town" in Florida. The Johnston brothers are kicked out of everything-school, baseball, scouts, even church. Ashland’s anger has erupted into a fireball of hate. The only silver lining is that Calvin’s best friend Izzy lives 65 miles away at the beach, and has no idea about his
The story of America is the story of civil war and world wars, slavery and segregation, Prohibition and the Mafia, Salem Witch Trials and the McCarthy-era witch hunts. From the days of Columbus to the War on Terror, this series is a chronological examination of the United States through politics, labour, big business, crime, and culture. Featuring varied characters such as Thomas Jefferson, John Brown, Bugsy Siegel, J.P. Morgan, Calamity Jane, Chuck Berry, and Bonnie and Clyde, this series illus
Meet scientists who are on the verge of breakthroughs in biomedical engineering. From encouraging the body to regenerate damaged bone and muscle tissue to re-routing visual stimuli to the brain to help blind people see, these discoveries will change medicine radically.