Prokaryotic Transcription Apparatus I from the course General Biochemistry and Molecular Biology
General Biochemistry and Molecular Biology - Fall 2006. This course covers molecular biology of prokaryotic and eukaryotic cells and their viruses. Mechanisms of DNA replication, transcription, translation. Structure of genes and chromosomes. Regulation of gene expression. Biochemical processes and principles in membrane structure and function, intracellular trafficking and subcellular compartmentation, cytoskeletal architecture, nucleocytoplasmic transport, signal transduction mechanisms, and c
Gettin' Triggy Wit It (WSHS Math Rap Song)
This is a parody of "Gettin' Jiggy Wit It" by Will Smith. The video and song teaches the basics of trigonometry. This is a great resource and a fun way to help teach mastery of these important skills. (03:48)
This patient education program explains the Pap smear and the benefits of this test for detecting and treating cervical cancer in the early stages. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
Galileo on the Moon
Galileo used thought experiments to test many assumptions, including the notion that heavy objects fall more quickly than lighter objects when they are dropped. Lacking access to either a vacuum chamber or a planetary body that has no atmosphere, he nevertheless correctly predicted that all falling objects would accelerate at the same rate in the absence of air resistance. In this video segment from NASA, astronaut David Scott demonstrates the correctness of Galileo's prediction. Run time 0:47.
Galileo: Sun-Centered System
Before the 17th century, people generally believed that Earth was at the center of the universe. Galileo, however, was not afraid to challenge existing beliefs when he published his work in support of the Sun-centered, or heliocentric, Copernican theory. In this video segment adapted from NOVA, learn about the two opposing worldviews and the strong piece of evidence Galileo offered to support the heliocentric theory. Closed captioning included. Run time 05:06.
Galileo used his telescope to gather data about the heavens, and his observations and theories sparked much controversy. Contrary to the popular belief of the time, Galileo suggested that Earth was not the center of the universe. In this video segment adapted from NOVA, the importance of unbiased scientific inquiry is demonstrated by Galileo's observations of sunspots. Closed captioning included. Run time 03:42.
Leonardo Da Vinci -The Man Who Knew Everything
Note: There may be artistic nudity. Leonardo da Vinci is considered to have been an artistic genius. This is the story of one of the greatest minds in human history. A scientist, mathematician, engineer, inventor, anatomist, painter, sculptor, architect, botanist, musician and writer, Leonardo Da Vinci (1452--1519) was arguably the primary figure of the Renaissance. He painted what is probably the most recognizable painting of all time: Mona Lisa. He also designed terrifying w
Leonardo Da Vinci (Part 18 of 18)
Leonardo da Vinci is considered to have been an artistic genius. This is the story of one of the greatest minds in human history. A scientist, mathematician, engineer, inventor, anatomist, painter, sculptor, architect, botanist, musician and writer, Leonardo Da Vinci (1452--1519) was arguably the primary figure of the Renaissance. He painted what is probably the most recognizable painting of all time: Mona Lisa. (10:00)
History: DaVinci Perfected World's Largest Horse Statue
Leonardo DaVinci conceived, but never finished, the world's largest equine statue. This project failure has puzzled scholars ever since. Kasey-Dee Gardner finds out why this project came to a grinding halt.
History: DaVinci's Outline In The Last Supper?
Did Leonardo DaVinci use his own shadow to create the outline of Jesus in The Last Supper? James Williams speaks with a researcher who has found evidence in Leonardo's manuscripts suggesting that's the case.
Leonardo da Vinci Paintings
A tribute to Leonardo da Vinci.
Italian Renaissance painter, sculptor, architect, author, engineer, inventor, lutanist, mathematician & scientist
born 15 April 1452 - died 1519
Learn About Leonardo Da Vinci
This one minute biography touches on the most important works of DaVinci including his art and inventions.
Siegfried Woldhek shows how he found the true face of Leonardo
This 4:21 video lecture is about the narrator's search for an image of Leonardo and the problem solving approach that he used. This is a wonderful video that shows students how they can use their powers of observation and deduction to reach conclusions.
A 2:42 video that shows the major geographical land forms of India as well as other elements that shape this land. No narration as all information is conveyed by graphics. A good overview.
What Causes the Seasons on Earth?
This video uses computer animation to explain seasons and what causes the Seasons on Earth. Run time 1:02
The Tree That Spoke - Part 9 of 10
Dharmabudhi is accused by the voice coming from the tree. Dharmabudhi laughs and declares himself not guilty. The dishonest son insists the tree is telling the truth.
Hitlers Death - The Final Report - Part 5 of 5
There are images of a film that represented Hitler's death. One of the prisoners who had been in the bunker is shown today retelling the story again at the same place where the bodies had been burnt. There are images of the skull parts that were found in the place. The last remains fo the bodies were destroyed in 1970.
Using Macroinvertebrates to Evaluate the Condition of Ponds
Macro-invertebrates are commonly used to evaluate the status of streams and rivers. The deep zones of lakes have also been used for this purpose. This project includes a protocol for using macro-invertebrates to compare and evaluate ponds and wetlands.
Global Infrared Cloud Cover, September 2001 (WMS)
This animation is a mosaic of cloud cover data taken by several different satellites in the infrared band. One of the most prominent cloud features during this time was Hurricane Erin near the Atlantic coast of the United States.
A Team Approach for Treating T-Cell Lymphoma
Of the approximately 76,000 new patients who will be diagnosed with non-Hodgkin lymphoma (NHL) this year, 15% will have peripheral T-cell lymphoma (PTCL). To meet these challenges, we've assembled a world-class team of medical oncologists, dermatologists, radiation therapists, hematopathologists and stem cell transplant experts to create a multidisciplinary T-cell lymphoma working group. Chaired by Younes, the group discusses challenging cases and recent clinical and pre-clinical data in PTCL, i