Koofers

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Videos 1 - 20 of 201
 
1:12:54
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Chimpanzee males compete for position in a dominance hierarchy; status often depends on support from other members, including females, of the group. High-ranking males have much greater sexual access ..
Author: Robert Wyman Views: 79
 
1:56:11
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Dr. Eugenie Scott explores the evolution vs. creationism debate and provides an argument for evolution. The lecture is concluded with a panel discussion with Brent Sockness and Jeff Wine.
Author: William Durham Views: 4
 
1:50:05
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Dr. Janet Browne presents a biography on Charles Darwin and explores Darwin's Origin of Species. The lecture is concluded with a panel discussion with Craig Heller and Robert Proctor.
Author: William Durham Views: 11
 
42:49
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The growth of populations is held in check by several factors. These can include predators, food and other resources, and density. Population density affects growth rate by determining how likely is i..
Author: Stephen C Stearns Views: 3
 
1:14:22
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In East and South Asia there are many more boys than girls. Previously, this resulted from female infanticide, now it is sex-selective abortion. In those cultures, girls generally marry out of the fam..
Author: Robert Wyman Views: 5
 
1:11:27
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1) Population in China: Until recently, Chinese families did not much alter their fertility depending on life events such as deaths of children. However, under government prodding and eventually coerc..
Author: Robert Wyman Views: 18
 
2:06:29
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Introductory lecture by William Durham for the Stanford Continuing Studies course on Darwin's Legacy. Professor Durham provides an overview of the course; Professor Robert Siegel touches upon Darwin's..
Author: William Durham Views: 6
 
1:58:40
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Dr. Daniel Dennett presents the philosophical importance of Darwin's theory of evolution. The lecture is concluded with a panel discussion with Hank Greely and Chris Bobonich.
Author: William Durham Views: 0
 
1:50:30
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Peter and Rosemary Grant discuss how and why species multiply. The lecture is concluded with a panel discussion with Carol Boggs and Rodolfo Dirzo.
Author: William Durham Views: 4
 
1:53:55
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Dr. Niles Eldredge discusses Darwin's life and work. The lecture is concluded with a panel discussion with Ward Watt and Liz Hadly.
Author: William Durham Views: 1
 
1:50:47
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Professor Melissa Brown speaks about the history and consequences of social Darwinism, and offers insight into new ways of thinking about social evolution.
Author: William Durham Views: 6
 
1:58:32
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Dr. Paul Ewald speaks about how several pathogenic viruses have evolved over time to break down the cell's barriers to several types of cancer. He suggests that further research will aid in the discov..
Author: William Durham Views: 2
 
1:51:01
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Dr. Russell Fernald discusses how social behavior changes the brains of fish, animals, and humans to adapt to situations typically involving mating behaviors. The lecture is concluded with a panel dis..
Author: William Durham Views: 4
 
1:57:18
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Dr. Levine discusses through analysis of Darwin's literary works, ways of seeing and being enchanted by the world as well as the poetic eloquence of Darwin's prose. The lecture is concluded with a dis..
Author: William Durham Views: 3
 
43:06
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The lecture presents an overview of evolutionary biology and its two major components, microevolution and macroevolution. The idea of evolution goes back before Darwin, although Darwin thought of natu..
Author: Stephen C Stearns Views: 17
 
44:36
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Genetic transmission is the mechanism that drives evolution. DNA encodes all the information necessary to make an organism. Every organism's DNA is made of the same basic parts, arranged in different ..
Author: Stephen C Stearns Views: 29
 
45:53
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Adaptive Evolution is driven by natural selection. Natural selection is not survival of the fittest, but rather reproduction of the fittest. Evolution can occur at many different speeds based on the s..
Author: Stephen C Stearns Views: 29
 
44:03
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Neutral evolution occurs when genes do not experience natural selection because they have no effect on reproductive success. Neutrality arises when mutations in an organism's genotype cause no change ..
Author: Stephen C Stearns Views: 3
 
49:31
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Genetics controls evolution. There are four major genetic systems, which are combinations of sexual/asexual and haploid/diploid. In all genetic systems, adaptive genetic change tends to start out slow..
Author: Stephen C Stearns Views: 2
 
48:15
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Mutations are the origin of genetic diversity. Mutations introduce new traits, while selection eliminates most of the reproductively unsuccessful traits. Sexual recombination of alleles can also accou..
Author: Stephen C Stearns Views: 2
Videos 1 - 20 of 201
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