PBS
Pbs Learning Media: Animal Coverings
It takes a thick skin to withstand the hardships that life has to offer. This collection of images shows a variety of animals, each with a slightly different type of protective covering.
PBS
Pbs Learning Media: Animal Mouths
This collection of images of six different creatures, including insects and carnivorous vertebrates, illustrates the wide range of mouth types that exist within the animal kingdom. It also discusses the environment and its impact on the...
PBS
Pbs Learning Media: Adaptive Radiation: Darwin's Finches
Finches on the Galapagos Islands have evolved to exploit almost every possible niche. This diagram shows the range of food sources available on the island and the different beak shapes adapted to exploit each of them. Includes background...
PBS
Pbs Learning Media: The Advantage of Sex: Sexual Versus Asexual Reproduction
Why did sex evolve? The likely answers, in this essay written for the PBS series "Evolution" by science journalist Matt Ridley, may surprise you.
PBS
Pbs Learning Media: Sex and the Single Guppy
Play in our streams and see how exhibitionism has an evolutionary payoff in this simulation of John Endler's famous experiment. Includes background information and discussion questions.
PBS
Pbs Learning Media: Dna Fingerprint Photos
These photographs supplied by Genelex Corporation depict actual DNA fingerprints and show the types of information that can be gleaned from them.
PBS
Pbs Learning Media: Journey Into Dna
Travel deep into the human body to see exactly where your DNA resides. From the NOVA: Cracking the Code of Life Web site.
PBS
Pbs Learning Media: Mitosis and Meiosis Compared
Meiosis is used to make sperm and egg cells. During meiosis, a cell's chromosomes are copied once, but the cell divides twice. During mitosis, the chromosomes are copied once, and the cell divides once. For simplicity, cells are...
PBS
Pbs Learning Media: Super Salmon
This video segment from FRONTLINE/NOVA: "Harvest of Fear" explores genetic modification of salmon and possible consequences.
PBS
Pbs Learning Media: Genetic Therapy and Breast Tumors
This video segment from the Secret of Life School Video: "On the Brink: Portraits of Modern Science" explores the genetics of breast cancer. [3:40]
PBS
Pbs Learning Media: Genetic Variation
This video segment from NOVA: "Cracking the Code of Life" explores the genetic similarities and differences among organisms.
PBS
Pbs Learning Media: Body Control Center
Throughout the day, your nervous system monitors and makes endless adjustments to your body's basic systems--all to keep you alive. This interactive feature illustrates the complexity of such a task.
PBS
Pbs Learning Media: Fever!
This video describes the role of the brain in regulating body temperature and how sometimes fever is employed to fight off infection.
PBS
Pbs Learning Media: Germinator
This ZOOMSci video segment teaches you how to germinate seeds in a plastic bag and helps you understand some of the factors that influence the germination process. [2:19]
PBS
Pbs Learning Media: How Cancer Cells Grow and Divide
This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body.
PBS
Pbs Learning Media: Global Warming: Graphs Tell the Story
Examine these graphs from the NOVA/ FRONTLINE Web site to see dramatic increases in the temperature of Earth's surface and greenhouse gases in the atmosphere.
PBS
Pbs Learning Media: When Does 50 50 Become 50 50?
In this video segment from Cyberchase, Bianca goes on a quest to find out if a coin toss really is a 50-50 proposition.
PBS
Pbs Learning Media: Calculating Speed
In this Cyberchase video segment, the CyberSquad calculates the speed of each broom.
PBS
Pbs Learning Media: Cyber Squad Film Shoot: Day 2
The CyberSquad reviews their budget for the second day of their film shoot in this video from Cyberchase.
PBS
Pbs Learning Media: Declining Profits
In this video from Wide Angle, learn about the farmers of Vidarbha in central India who have seen a loss in profits due to the high cost of borrowing money and the low prices for their crops in a globalized market.
PBS
Pbs Learning Media: Water Cycle
Students are asked to explain how clouds participate in the water cycle. [0:32]
PBS
Pbs Learning Media: Gila Monster
This video segment from Outdoor Nevada looks at the Gila monster's behavior, habitat, and unique adaptive characteristics. [3:55]
PBS
Pbs Learning Media: Squatter's Rights
Protecting their farms from elephants is a daily fight for African farmers in the Sahel. In this video segment from Africa, learn about the relationship between the African farmers and elephants in the Sahel.
PBS
Pbs Learning Media: Farm and City
This video from Wide Angle reports on the increasingly difficult conditions for farmers in China that have caused many rural Chinese to flee the countryside.