Showing results for "Den of Spies" in Science & Technology

One of the founders of US cryptology who would eventually become one of the world’s greatest code breakers, Elizebeth Smith Friedman (1892-1980) was a brilliant mind behind many important battles throughout the 20th century, saving many lives through her intelligence and heroism. Whip-smart and determined, Elizebeth displayed a remarkable aptitude for language and recognizing patterns from a young age.

What can you find in nature? Look for bright flowers and listen to buzzing bees! Feel rough tree bark and taste a sweet apple! Join Shelley Rotner as she encourages kids to use their senses to safely explore the outdoors.

Encuentra las plantas y los animales que viven en los 13 hábitats a lo largo de Norte América. Contado en rima narrativa, Veo, veo un hábitat invita a los niños a "espiar" las plantas, los invertebrados, los pájaros, y los mamíferos que viven en los hábitats de Norte América: el patio, la playa, la ciénaga, la cueva, el desierto, el bosque, la pradera, la montaña, el océano, las planicies, el estanque, el río, y el pantano.