This are history video discussion with Beth Harris and Steven Zucker looks at Myron of Eleutherae's "Discobolus (Discus Thrower)", Roman marble copy of an ancient Greek bronze, c. 450 B.C.E. (Palazzo Massimo alle Terme, Rome).

This art history video discussion looks at the Human-headed Winged Lion and Bull (Lamassu), 883--859 B.C.E., Neo-Assyrian period, reign of Ashurnasirpal II, excavated at Nimrud (ancient Kalhu), northern Mesopotamia (Metropolitan Museum of Art).

This art history video discussion examines "Kouros (youth)", Archaic Greek, Attic, ca. 590--580 B.C.E. (Metropolitan Museum of Art).

This art history video discussion looks at Barnett Newman's "Onement I", 1948, oil on canvas ,27 1/4 x 16 1/4" (69.2 x 41.2 cm), The Museum of Modern Art.

This art history video discussion examines Nicola Pisano's "Pulpit", Pisa Baptistery, 1260; and Giovanni Pisano's "Slaughter of the Innocents" Marble, 1301, Sant'Andrea church, Pistoia.

This art history video dicussion examines "Nike (Winged Victory) of Samothrace", Lartos marble (ship) and Parian marble (figure), c. 190 B.C.E. 3.28m high (Musee du Louvre, Paris). The sculpture was unearthed in 1863 after its discovery under the direction of Charles Champoiseau‚ the French Vice-Consul to Turkey.

This art history video dicussion examines "Nude Woman" (Venus of Willendorf), c. 28,000-25,000 B.C.E., (Naturhistorisches Museum, Vienna).

This lesson discusses how to identify sets of numbers as natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.

This site teaches Quantities to High Schoolers through a series of 116 questions and interactive activities aligned to 4 Common Core mathematics skills.

This site teaches The Complex Number System to High Schoolers through a series of 2195 questions and interactive activities aligned to 16 Common Core mathematics skills.

This site teaches The Real Number System to High Schoolers through a series of 1090 questions and interactive activities aligned to 8 Common Core mathematics skills.

This site teaches Vector and Matrix Quantities to High Schoolers through a series of 2195 questions and interactive activities aligned to 16 Common Core mathematics skills.

This art history video dicussion examines Georgia O'Keeffe's "The Lawrence Tree", oil on canvas, 31 x 40 inches, 1929 (Wadsworth Atheneum, Hartford). Painted in the summer of 1929 while visiting D.H. Lawrence at his Kiowa Ranch during O'Keeffe's first trip to New Mexico, the tree stands in front of the house.

This art history video dicussion examines "Orsanmichele", Florence, 1349 loggia (1380-1404 upper stories).

This art history video dicussion examines "Painted Garden, Villa of Livia", fresco, 30-20 B.C.E. (Museo Nazionale Romano, Palazzo Massimo, Rome). Plant species include: umbrella pine, oak, red fir, quince, pomegranate, myrtle, oleander, date palm, strawberry, laurel, viburnum, holm oak, boxwood, cypress, ivy, acanthus, rose, poppy, chrysanthemum, chamomile, fern, violet, and iris.

This art history video dicussion examines "Pair of Centaurs Fighting Cats of Prey" from Hadrian's Villa, mosaic, c. 130 B.C.E. (Altes Museum, Berlin).

This art history video discussion looks at Parmigianino's "Madonna of the Long Neck" (Uffizi, Florence).

This art history video dicussion examines Parmigianino's "Self-Portrait in a Convex Mirror", oil on panel, 1524 (Kunsthistorisches Museum, Vienna).

This art history video dicussion examines Charles Willson Peale's "Staircase Group" (Portrait of Raphaelle Peale and Titian Ramsay Peale), 1795, oil on canvas (Philadelphia Museum of Art).