Wind Power - September 28, 2009 03:00 PM
Humans have harnessed the power of wind for thousands of years. It bore sailors in boats across vast oceans, and enabled medieval farmers to mill grain and irrigate crops. With modern technology, wind power is a viable and reliable form of alternative energy. Learn more about wind power in this guide, including how it's created and where it's used.
Solar Power - September 28, 2009 02:55 PM
Burning at about 10,000 degrees Fahrenheit on its surface
, and 28 million degrees Fahrenheit at its core, the sun is a self-sustaining and reliable producer of immense energy. The idea of capturing this energy and converting it into electricity has led to a long series of scientific innovations since the “photovoltaic effect
” was first discovered in the mid 1800s. Learn more about how solar power
works with the sites below.
Hydropower - September 28, 2009 02:49 PM
Hydropower traces its roots to the water wheels used by ancients Greeks to grind wheat into flour
. Today, China’s Three Gorges Dam is the largest electricity-producing power plant in the world. By harnessing the power of rivers and oceans, scientists have been able to create a sustainable energy source from water. Read on to learn more about hydropower
Hydrogen - September 28, 2009 02:40 PM
Hydrogen is the most common gas found in the universe. By weight, hydrogen has highest energy content of any standard fuel. Though hydrogen-powered vehicles are already on some roads, researchers continue to look for more cost-effective ways to make the fuel. Learn more about the energy potential of hydrogen on the Web sites below.
Geothermal Energy - September 28, 2009 02:32 PM
Like the more conventional energy resources, alternative energy can also come from underground. Geothermal energy refers to energy generated from heat contained within the Earth. The Web sites in this section discuss geothermal energy in great detail.
Biofuel - September 28, 2009 02:11 PM
Used primarily to power automobiles and heat buildings, biofuel is a type of fuel derived from newly deceased organic matter, instead of ancient organic matter, as is the case with fossil fuels. This growing industry has made headlines recently as new technology is developed, and as biofuels are adopted more widely. Learn more about biofuel, including biodiesel and ethanol, and how it is powering many vehicles today.
Modern Political History of Tibet - September 10, 2009 03:42 PM
In the popular consciousness, Tibet is a mystical, spiritually and culturally rich land of sublime natural beauty, beset with social unrest and political turmoil. And its exiled leader, the 14th Dalai Lama, is of the world’s most charismatic and influential social activists. Learn about the modern political history of Tibet, the debate surrounding Tibetan freedom and the future of Tibet.
World War II - September 02, 2009 03:04 PM
World War II, fought in parts of Europe, the Middle East, East Asia and Africa between 1939-1945, was the most destructive war in history, claiming the lives of more than 60 million military personnel and civilians.
The Mexican Drug War - August 27, 2009 12:53 PM
For decades, Mexican police and public officials, enticed by bribes or simply intimidated by cartels, ignored the country’s illegal drug trade. After Mexico’s President Felipe Calderon publicly declared war on drugs, a wave of grisly murders, kidnappings and shootouts followed.
President Calderon has seen some success, capturing several cartel bosses, and breaking up various alliances, but his success comes at a price. A greater number of people have died in Mexico’s drug war than have been killed in Iraq or Afghanistan, and the toll continues to rise.
In addition to smuggling marijuana and methamphetamine, Mexico is now responsible for 90 percent of the cocaine smuggled into the U.S.
Conflict in Pakistan - June 09, 2009 04:49 PM
Despite the Taliban being pushed out of power in Afghanistan in late 2001, units of the hard-line Islamist militant group remain entrenched along the frontiers of Pakistan and Afghanistan. Instability in the Pakistani government diverted attention from the developing battle for control of the region. This Guide looks at the modern history of Pakistan, and provides resources for understanding the conflict.
Tiananmen Square Massacre - June 03, 2009 03:46 PM
The words “Tiananmen Square” conjure images of violence that still have a huge impact in contemporary China. When China’s People’s Liberation Army killed hundreds—or even thousands—of civilian demonstrators on June 4, 1989, the country was condemned internationally for its actions. Still, the government maintains that it was simply stopping a potential uprising.
Pandemics and Epidemics - May 29, 2009 11:28 AM
Today's interconnected world makes it easier for diseases to spread rapidly, and over great distances. Lately, talk of epidemics and pandemics frequent the headlines. While such news can be scary, the right information is important for understanding how to keep yourself healthy and eliminate unnecessary fears.
Genetics - May 08, 2009 09:34 AM
Genetics is a branch of biology that studies heredity and how certain characteristics or traits are passed from parents to offspring. The modern study of genetics began with the research of Gregor Mendel in the mid-1800s. His discoveries paved the way for today’s understanding of the role of genetics in human development and in the treatment of genetic disorders.
Global Financial Crisis - March 13, 2009 05:14 PM
The current recession encompasses the worst economic conditions seen in the United States since the Great Depression. According to the National Bureau of Economic Research this economic downturn began in December 2007, however some of its roots lay in the remedies for the previous official recession, which happened during 2001. The links in this guide take you through recent interest rate cuts, subprime mortgage issuance and asset-backed securities and how they led to the current state of the economy.
Alternative Energy - March 06, 2009 10:28 AM
Worldwide, researchers and policymakers have focused on finding alternative energy sources to supplement conventional energy. Use the Alternative Energy Web Guide to learn more about alternative energy sources and how the United States is supporting new research.
Stem Cells - March 04, 2009 10:30 AM
Stem cells have dominated medical headlines for years because of their tremendous potential to help cure illness, and because of the ethical questions surrounding their use. Read the Stem Cells Web Guide to learn more about stem cells, explore the stem cell debate and stay current on stem cell research.
Israel Palestine Conflict - February 28, 2009 01:35 AM
The Israel Palestine conflict in the Middle East is one of the most divisive issues in the world, eliciting passionate arguments from both sides. For that reason, credibility is vital when researching the subject. Use the Web sites in this guide to learn the history of the conflict and stay up to date with the latest news.
Global Warming and Climate Change - February 26, 2009 03:22 PM
The global warming debate is mired in conflicting opinions and scientific data, leaving the public awash in confusion and struggling to piece together information gleaned from television, the Internet and politicians. This Web guide untangles global warming and climate change, providing a basic introduction to the topic, before delving into more advanced scientific research, news and analysis.
The Conflict in Afghanistan - February 26, 2009 01:56 PM
Left ravaged by centuries of invasion and infighting, Afghanistan showed signs of progress after the fall of the Taliban in 2002. However, the central Asian country has since lost traction as the government of Hamid Karzai struggles to retain any control outside of the capital city of Kabul, and Taliban forces show signs of resurgence.
The Oil Industry - February 20, 2009 12:00 PM
Whether we’re driving a car, riding a bus, using a toothbrush, wearing glasses or shoes, or even camping in a tent, we’re using products made with crude oil. Use the Oil Industry Web Guide to learn more about what oil is, how it’s extracted from the ground and how oil plays a considerable role in the economy today.
Conflict in Zimbabwe - February 20, 2009 09:47 AM
Zimbabwe has struggled for much of its nearly three decades of independence. Under one ruler since 1980, Zimbabwe now faces vast economic and class gaps and an inflation rate that tops 100,000 percent. Only recently has President Robert Mugabe allowed opposition parties to take part in elections, implementing a power-sharing agreement in the dawning days of 2009, though he has shown little sign of loosening his grip on the troubled, poverty-stricken country.
Conflict in Somalia - February 17, 2009 12:15 AM
The African continent’s most impoverished country, Somalia has existed for less than half a century, but has spent much of that time at war or struggling to retain stability. Split between warlords and Islamic militants, the East African nation faces an uncertain future, with little sign that change is on the way.
Reference - February 17, 2008 01:23 AM
FindingDulcinea Reference Guides provide resources to help you understand the issues of our day. Select a topic from the menu to the right for information on the big picture.