031 - BELLUM HELVETICUM - LOWE BUTLER WALKER
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The Embryo Takes Shape
Genes direct the development of a growing embryo. But not all genes in a cell are active at any given time. Sometimes a cell's location in the developing embryo determines which genes get turned on and which genes stay inactive. This video segment from NOVA: "Life's Greatest Miracle" explores the developmental process of an embryo beginning just two weeks after fertilization. Closed captioning included. Run time 07:47.
How does a single fertilized egg grow to become a fully formed human being? Many of the most critical stages happen in the first few days following conception. In this video segment from The Secret of Life, a fertilized egg cell progresses from its earliest stages through cell differentiation and ultimately the development of an embryo, with simple but identifiable body parts including a spinal cord, a heart, and eyes. Run time 01:20.
106 - BELLUM HELVETICUM - LOWE BUTLER WALKER
This is the final chapter out of 106 chapters. Please see the sidebar for the archive containing this Caesar Course. Lowe Butler and Walker's 'Bellum Helveticum' can be found as a pdf at archive.org
029 Cannon's Caesar
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027 CANNON'S CAESAR
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Thomas Jefferson was the third President of the United States (1801--1809), author of the Declaration of Independence (1776), and one of the most influential founders of the United States. Major events during his presidency include the Louisiana Purchase (1803), the Embargo Act of 1807, and the Lewis and Clark Expedition (1804--1806).
A political philosopher who promoted classical liberalism, republicanism, and the separation of church and state, he was the author of the Virginia St
017 CANNON'S CAESAR
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Hideout Hollow - Exploring Arkansas (AETN)
Arkansas Educational TV publication. In this episode the narrator takes a hike to the storybook setting of Hideout Hollow in the upper portion of the Buffalo National River near Compton. One of the focal points of the hike is a bluff shelter down in the hollow. The plants and greenery is what people love to see on this hike, the falls are also beautiful. Video is good quality and has information for students studying this area of the United States.
Lewis and Clark
Join Lewis and Clark as they journey overland across North America in this short, computer-animated video. The following concepts will be briefly addressed: the Lewis and Clark Expedition, the Louisiana Purchase, President Jefferson commissions survey, Lewis and Clark meet natives, Lewis and Clark discover new plants and animals, Lewis and Clark reach the Pacific Ocean, and Lewis and Clark return home as heroes. The video ends with a 10-question, fill-in-the-blank quiz.
How Do Changes in the Earth's Lower Atmosphere Affect Us? - Continued
How do changes in Earth's lower atmosphere affect us? (continued) Jeff Thayer – University of Colorado continues the discussion of How do changes in Earth's lower atmosphere affect us? We are so dependent on our space assets, our satellites, cell phones and GPS. The atmosphere breathes and the satellite senses these changes and is impacted by it. We are very Earth centric, so we are just beginning to explore all there is of space. Run time 03:14.
Taking Atheism to the General Public - Edward Tabash (3/3)
Atheist Talk cable program by Minnesota Atheists. "Taking Atheism to the General Public - Edward Tabash" recorded 12/2/2006 What's ... all » the best way for us to bring the good news of atheism to the public? Should we "bash" religion? Nationally known atheist speaker Edward Tabash will give us some tips. Edward Tabash is chair of the national legal committee for Americans United for Separation of Church and State. He is an atheist debater and chairs the First Amendment Task Force for the Coun
This animation is a very simplified description of the light-dependent reaction of photosynthesis, a unique biological process in which light energy (sunlight) is converted to chemical energy (adenosine triphosphate). The light-independent reaction takes place in all eukaryotic photoautotrophs (plants, algae, etc.). The process shown here occurs in less than a trillionth of a second, constantly (when light is available) and in great abundance.
Music by Ben Hammer.
Magic School Bus Gets Planted
Join Ms. Frizzle and the class as they travel inside a plant and learn more about photosynthesis and what helps a plant grow. This Magic School Bus video will teach the following two concepts: (1) Plants need food to live and grow. Instead of finding food to eat, plants use water, sunlight, and air to make their own food. and (2) Plants make surgar, the basic food all living things need to live and grow.
Learn about Fuel Cell Technology
Many researches have been working on renewable, clean energy sources. This particular study shows how hydrogen may some day replace gasoline to fuel our vehicles with zero emission of fuel cells. Learn about real world testing of this fuel cell technology. Run time 01:50.
The Mississipi River Delta, USA
This video clip is part of a series called "Places to Remember: Before they Disappear" that has selected 100 unique places on Earth that are projected to undergo profound changes within the next few generations. This clip briefly addresses the Mississippi River Delta. Run time 01:00.
Introduction #03 - Feel the Glow of the In-Crowd with the Premium Membership - Audio
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Classifying Living Things Our Earth hos
Our Earth hos
Sand Dune Investigation
From Dragonfly TV. Victoria and Alejandra Sand visit the Guadalupe-Nipomo Sand Dunes. In some cases, dunes will move as much as 10 feet in just a few days. Others don't move much at all. Dunes come in all shapes and sizes but the girls didn't understand why some dunes are full of plants and others aren't. So they decided to investigate and hiked over three kinds of dunes. The fore dunes were right next to the ocean. The scrub dunes were about a mile inland. Two miles inland were the big,