Naturvetenskap & teknik
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Val, aka Astronaut Girl, is just your typical eight-year-old scientist. She has her own laboratory and conducts experiments with her crew - her cat and baby brother. She loves …
Val and Wallace aren’t looking forward to the last weekend of summer vacation, though they are excited about going to the local town fair! But after Wallace’s friend Carlos shows …
Everyone knows that humans can’t travel to the sun... at least that’s true in the year 2020. But when Astronaut Girl, Wallace, and the Astro crew find themselves orbiting the sun …
The earth is definitely getting warmer. There’s no argument about that, but who or what is the cause? And why has climate change become a political issue? Are humans at fault? Is …
Hiroshima is where the first atomic bomb was dropped. Now readers will learn the reasons why and what it's meant for the world ever since.By August 1945, World War II was over in …
At 800-feet long, the Hindenburg was the largest airship ever built--just slightly smaller than the Titanic! Also of a disastrous end, the zeppelin burst into flame as spectators …
At 2:20 a.m. on April 15, 1912, the Royal Mail Steamer Titanic, the largest passenger steamship of this time, met its catastrophic end after crashing into an iceberg. Of the 2,240 …
Calling all stargazers, this addition to the New York Times bestselling series is sure to be the perfect book for you!From the #1 New York Times Best-Selling Who Was? series comes …
You'll find it on a map--but you'll never get anywhere near this top secret military base. What exactly is going on there?Is Area 51 a top secret military base that lies in the …
Although it’s known more as an important tourist attraction today, the city of Chichen Itza was a powerful religious, political, scientific, and artistic center of the Maya people. …