Ergebnis für "The Call" in Wissenschaft & Technik

Look carefully! A dark shadow moves through the lapping lake water. It’s the Loch Ness Monster! This shy serpent hides away from humans and treats lake dwellers with kindness. Ever wondered about Nessie’s diet and other habits? Does the lake monster have companions? Wonder no more!

Honey bees are among the world’s most important insects. They help pollinate many of the crops we depend on for food. Without them, the global food supply would be in great danger. In 1998, beekeepers in Europe made a shocking discovery—almost all of the honey bees had disappeared from their hives. Several years later, beekeepers in the United States found that many of their honey bees had vanished too. Scientists called this disappearance colony collapse disorder (CCD), and at first, no one knew why it was happening.

Cuando un niño decide construir una fortaleza en el patio posterior, el abuelo viene a ayudarle. Pero no pueden hacerlo solos - reciben la ayuda de las seis máquinas simples: la palanca, la polea, el plano inclinado, la rueda y eje, el tornillo, y la cuña. Dicha en rima acumulativa, los lectores seguirán el proceso de construcción hasta el final y descubrirán la sorprendente razón por la cuál fue hecha.