El día de Martin Luther King, Jr

Poems about being alone, love, fear, life, death and adults from a child's point of view. A boy wearing a tiger mask takes young readers on a journey of self-understanding and discovery.

Mackentor fue una constructora con sedes en Córdoba y Buenos Aires, que los militares ocuparon el 25 de abril de 1977 con la excusa de que financiaba a una organización guerrillera. Nunca se les pudo probar vinculación alguna con las organizaciones armadas de la época. Se trató de un montaje que persiguió el objetivo de quitarle la construcción del Segundo Acueducto Villa María – San Francisco, una de las principales obras de públicas que se construían en Argentina en la década de los 70’, y entregársela a la empresa Supercemento. Entre ejecutivos, empleados y familiares, la...

Introduces the life and times of Underground Railroad and anti-slavery leader Harriet Tubman and explains her place in American history.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!