Technology Mystery

The oldest "Wonder of the world" stands silently and demands explanation. The Great Pyramid of Khufu is so big, so old, and so beautiful that many can't believe it was built by an ancient people…but it was! And that is the greatest mystery of all - the mystery of the Great Pyramid. The Great Pyramid is part of the non-fiction Ancient Egyptian Mysteries series that engages listeners of all ages. Travel to ancient Egypt and explore the facts and mysteries of how the Great Pyramid of Khufu was built

Honeybees are a crucial part of our food chain. As they gather nectar from flowers to make sweet honey, these bees also play an important role in pollination, helping some plants produce fruit. But large numbers of honeybees are disappearing every year...and no one knows why. Is a fungus killing them? Could a poor diet be the cause? What about changes to bees' natural habitat? In this real-life science mystery, scientists and beekeepers are working to answer these questions...and save the world's honeybees before it's too late.

For every child who has ever looked up at the stars and asked, "What are they?" comes the story of a curious boy who never stopped wondering: Carl Sagan. When Carl Sagan was a young boy he went to the 1939 World's Fair and his life was changed forever. From that day on he never stopped marveling at the universe and seeking to understand it better.

Plan Serezhi i vora vrode by shel neploho - ljudej na svad'bu v dom samogo opasnogo cheloveka oni sognali, vot tol'ko, kogda hozjain spustilsja, stalo ponjatno - podgotovit'sja k jetoj chasti ograblenija nado bylo by poluchshe... Svad'ba ne uspela nachat'sja, kak tut zhe prevratilas' v paniku gostej. Odnako Serezha nashelsja i v jetoj neprostoj situacii...

Little brown bats do us a big favor. They eat huge numbers of insects! That helps limit the spread of diseases and the damage that insects do to farm crops. But in recent years, large populations of little brown bats have been dying off each winter. Is a virus killing them? Could climate change or pesticides be the cause? Or is it something else? Follow a team of dedicated scientists working to save the little brown bats in this real-life science mystery.