Los Bernoulli

El carácter de Kolmogórov se forjó en una época de revoluciones sociales y guerras mundiales. Vivió el estalinismo, la posterior rectificación de errores y el inmovilismo que luego daría paso a la perestroika. Aunque siempre se consideró a sí mismo un matemático puro, una parte esencial de su obra fueron sus investigaciones aplicadas a otras ciencias. Sus esfuerzos estaban regidos por una idea clara - discernir las diferencias y similitudes entre orden y caos. Mucho más que cualquier otro matemático, amplió los dominios y la comprensión humana del azar. Reinó en una escuela...

Mrs. Frizzle's class investigates the disappearance of the salmon from the sea and in the process learn about migration.

Advise yourself! Jump into Pigeon English and experience the jubilant, infectious voice of Harrison Opoku--a boy awed by the city, obsessed with gummy candy, a friend to everyone he meets. See why he is bo-styles. How being the fastest runner in Year 7 makes him dope-fine. And how crazy things get when Harri and his best friend launch their own investigation into the murder of a classmate and one of the Dell Farm Crew's hutious criminals feels them closing in on him. You'll want this book to last donkey hours, and you'll see why Harri is truly a "hero for our times." Like Room . . . and The...

Featuring TIME For Kids content, this Spanish resource, Empujar y jalar (Pushes and Pulls), aligns with NGSS standards to teach young learners about forces and interactions. The engaging photos encourage students to describe what is happening using their own words. This full-color, wordless picture book can be used in the classroom or at home to teach children the difference between pushing and pulling.

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.