WYSJ-CD Porfirio Diaz becomes dictator; modernization; 1910 revolt. 2026-05-07 Cinco de Mayo commemorates the Mexican victory against the French army at the Battle of Puebla on May 5, 1862. 2026-05-07 Mexico's great revolution of 1910. 2026-05-07 Archaeologists explore the ancient Mexican city of Teotihuacan. 2026-05-07 Toltec and Mayan civilizations; destruction of the pre-Columbian civilization. 2026-05-07 The struggle for freedom; the first emperor. 2026-05-07 The Mexican-American War; the French are expelled. 2026-05-07 Porfirio Diaz becomes dictator; modernization; 1910 revolt. 2026-05-07 Cinco de Mayo commemorates the Mexican victory against the French army at the Battle of Puebla on May 5, 1862. 2026-05-07 Mexico's great revolution of 1910. 2026-05-07 Roosevelt narrowly escapes death in a Miami assassination attempt. 2026-05-07 Roosevelt alerts the nation to rising international crises. 2026-05-07 Franklin rallies the industrial might of the nation and leads the Allied forces through the darkest days of the war. 2026-05-07 2026-05-07 Franklin Delano Roosevelt; international policies; Stalin and Churchill; Yalta conference. 2026-05-07 Roosevelt narrowly escapes death in a Miami assassination attempt. 2026-05-07 Roosevelt alerts the nation to rising international crises. 2026-05-07 Franklin rallies the industrial might of the nation and leads the Allied forces through the darkest days of the war. 2026-05-08 2026-05-08 Franklin Delano Roosevelt; international policies; Stalin and Churchill; Yalta conference. 2026-05-08 Roosevelt narrowly escapes death in a Miami assassination attempt. 2026-05-08 Roosevelt alerts the nation to rising international crises. 2026-05-08 Franklin rallies the industrial might of the nation and leads the Allied forces through the darkest days of the war. 2026-05-08 2026-05-08 Franklin Delano Roosevelt; international policies; Stalin and Churchill; Yalta conference. 2026-05-08 Geological history from the Stone Age to the Space Age; moon rocks provide clues to how planets were formed; quarrying marble and granite; blasting at a sand-and-gravel pit. 2026-05-08 Copper transports electricity, water, and heat while being essential for survival yet killing microbes; this versatile metal conducts electricity globally, revolutionizes electronics, forms plumbing pipes, creates beautiful roofs, and more. 2026-05-08 How iron mined in Minnesota is made into steel; iron weapons revolutionize warfare; military metallurgists customize weapons and demonstrate their firepower; iron magnets. 2026-05-08 Glass serves as one of the most versatile materials, sheathing skyscrapers, containing liquids, aiding vision, enabling high-speed communication, and providing artistic expression; heating certain rocks and minerals creates this transparent material. 2026-05-08 Plastics are everywhere: the home, the workplace, the car, the human body, outer space, and most conspicuously, the garbage heap and landfill; join us as we review this protean substance's past and future. 2026-05-08 Glue appears in everything from carpet to Space Shuttles and surgery; explore its trajectory from Neolithic cave dwellers using animal glue on ceremonial skulls to modern Elmer's, 3M tapes, and super glues that can lift 6,000-pound trucks. 2026-05-08 The hidden uses of grease inside giant machines; how grease is made in a New York factory; new advances are working towards for grease. 2026-05-08 Water exists in three forms at same temperature as nature's powerful landscape carver and life supporter; explore its multidimensional character from bottled water industry to nuclear reactors, irrigation systems, and artistic fountain displays. 2026-05-08 Geological history from the Stone Age to the Space Age; moon rocks provide clues to how planets were formed; quarrying marble and granite; blasting at a sand-and-gravel pit. 2026-05-08 Copper transports electricity, water, and heat while being essential for survival yet killing microbes; this versatile metal conducts electricity globally, revolutionizes electronics, forms plumbing pipes, creates beautiful roofs, and more. 2026-05-08 How iron mined in Minnesota is made into steel; iron weapons revolutionize warfare; military metallurgists customize weapons and demonstrate their firepower; iron magnets. 2026-05-08 Glass serves as one of the most versatile materials, sheathing skyscrapers, containing liquids, aiding vision, enabling high-speed communication, and providing artistic expression; heating certain rocks and minerals creates this transparent material. 2026-05-08 Plastics are everywhere: the home, the workplace, the car, the human body, outer space, and most conspicuously, the garbage heap and landfill; join us as we review this protean substance's past and future. 2026-05-09