Transamerica Pyramid Center's new owners completed seven new lease deals since the beginning of this year, and are plotting ...

A new study aims to answer the centuries-old question of how the Great Pyramids were built thousands of years ago, and its findings have provided an unexpected possible answer: water. Though deserts ...

At 146.5 m (481 ft) high, the Great Pyramid stood as the tallest structure in the world for more than 4,000 years. Today it stands at 137 m (449.5 ft) high, having lost 9.5 m (31 ft) from the top.

More than 2,300,000 limestone and granite blocks were pushed, pulled, and dragged into place on the Great Pyramid. The average weight of a block is about 2.3 metric tons (2.5 tons). How much is that?

A simpler structure near Stonehenge has been examined 而在附近的巴尔福德村发现的这处遗址结构则简单得多。如今，它只剩下了地面上两个相距 120 ...

本集内容. Why some people are mosquito magnets. 为什么有的人更容易招蚊子咬. 文字稿. Are you more attractive to these humming little devils than your friends?

Every once in a while, a team outside the starting roster will stick its head over the wall (South Korea in ’02, Morocco in ...