Commander Adam Dalgliesh's lengthy investigation of the grisly murder of a brilliant defense attorney ends with a showdown as brutal as it is surprising. Two recent widowers become unlikely friends and even more unlikely roommates in this story of class, friendship, and old age. Water is essential for life, and where water is scarce, controversy erupts. This program explores the ways water impacts all of our lives and livelyhoods. Elementary School Invite your students to share stories about themselves as babies, and then use their birth weight as the data set to compare and graph numbers.
Volcanoes are as fascinating as they are destructive.
Meet the people who have dedicated their lives to studying them, and venture inside a live volcano to discover what causes them. This special examines the crucial breakthroughs that have been made in makeshift labs in Russia and China that may transform the marketing of the world's most desirable gem. At the companion site, take a look at various compelling aspects of natural diamonds and where they stand in the world of precious gems, plus construct your own diamond from a pool of carbon atoms. Life blooms in unexpected places along the sea shore. Learn about the hidden worlds nourished by crashing waves and surging tides.