This hour long, 8 part segment features new advances in cancer therapy and medication. Learn about these new treatments in this detailed series developed by NOVA.

A fascinating overview of Galileo as a person and as a scientist. Links to extras such as, a timeline of his life, an interactive look at his experiments, and even one of his biggest mistakes and why he was wrong.

Understand the facts and issues surrounding HIV and AIDS by creating a newspaper supplement containing information gathered from research.

Examine a range of federal and state actions on tobacco issues, determine which regulations are unfavorable or favorable to the smoking industry and consider the government's role in public health.

Identify the bioagents that can be used for biowarfare, and understand how they affect the human body. Investigate media reports about 21st-century bioterrorism, and discuss fears and feelings about the threat of bioterrorism.

Join this online adventure from PBS into the wilds of Madagascar. Follow all the links to navigate this virtual expedition. Also included are lesson plan ideas, games, and many related resources.

This site from PBS provides a fascinating account cataloging several different artifacts that were found in graves throughout the Inca area. One of the graves was of a little girl, named "Sarita", on the summit of Sara Sara.

This article, a companion piece to a NOVA special called "Lost City of Arabia," explains remote-sensing technologies that are helping archeologists find ancient cities from the air.

The companion website to the Nova special that documented how the Allied codebreakers cracked the German message coding machine, nicknamed "Enigma," in World War 2. The site has student activities including trying to decode machine made...

Companion website to the NOVA program on Colditz and those who tried to escape from it during World War 2. Includes plans on the "glider" escape where prisoners made a Glider to "fly" out of the prison.

Listen to sounds obtained by the Huygens space probe as it descended through Titan's atmosphere. Planetary research scientist Bruce Bretts will explain the meaning of the sounds obtained from the Huygens space probe.

Could the Nazis have actually developed a nuclear weapon? This site explores the possibilities. Read about the Norwegian Resistance movement and its place in history. Excellent slide show of secret telegrams between Norway and London.

Companion website to a documentary chronicling the 2000 English court case about denial of the Holocaust happening.

A video investigating the hunt for the gene that causes autism. Learn how a parents crusade to help their child led to scientist finding a stretch of similar genes that may help solve the mystery about autism. [12:51]

Learn how life on early Earth triggered the formation of vast deposits of iron in this video. View the stunning iron rich rocks in Australia that were created by early life. Closed caption available. [3:20]

What if life began deep in the ocean? One experiment set out to prove the theory that life began around deep sea vents. This video shows the results of this experiment and it what it taught us about the origins of life. Closed caption...

The region off the west coast of Antarctica has lost gigatons of ice and the sea ice is freezing later and melting earlier. In this video from NOVA, learn about the effects of these changes from researchers who are tudying this...

Follow a geomorphologist as he uncovers clues in the soil of the slope that failed in Oso, Washington in 2014. See what factors contribute to landslides in this video. Closed caption available. [2:32]

Join Bill Nye in his short demonstration showing conservation of thermal energy. The famous television scientist explains why this simple, but important scientific concept is relevant. [2:26]

As concerns grow about the sustainability of meat production, some startup companies say they may have a solution: growing meat from animal cells in laboratories. NewsHour Weekend's Megan Thompson visited two startups in California...

Ethical questions often surround artificial life. This segment by NOVA attempts to shed light on misconceptions and the intricacies associated with such scientific ventures. Build you own microbe and learn what variables are necessary to...

Watch a brief movie of Anne "Little Fawn" Richardson who discusses Pocahontas, Powhatan, and the misunderstandings between the Jamestown settlers and the Indians.

Offers a look at the downsides of slow space travel and how it might be possible for astronauts, using plasma-rocket technology, to make an "express voyage" to Mars in two weeks, rather than two-and-a-half years. [6:38]

The sad truth is that earthquakes are inevitable, but there are ways to lessen their devastation. Watch this fascinating video on the deadliest earthquakes. Follow a team of US geologists as they try to determine exactly what happened in...