Reference The fictional Dracula was loosely based on a real person with an equally disturbing taste for blood: Vlad III, Prince of Wallachia or — as he is better known — Vlad the Impaler (Vlad Tepes).
Greenhouse gases are atmospheric gases that absorb infrared radiation and trap heat in the atmosphere. Increases in emissions of these gases are leading to climate change and global warming.
The Chernobyl Nuclear Power Plant explosion resulted in the most horrific nuclear disaster in the world.
Hydraulic fracturing, commonly called fracking, is a drilling technique used for extracting oil or natural gas from deep underground.
An international team of medical researchers has now found evidence linking prostate cancer to a common sexually transmitted infection known as trichomoniasis, or simply "trich."
California's wildfires have spawned a number of dramatic fire whirls, also known as fire devils, fire tornadoes or "firenadoes." What is a fire tornado, and how dangerous are they?
Exploding head syndrome is a real condition, and researchers are finally beginning to address this rare and little-understood sleep disorder as an illness worthy of medical investigation.
One of the most infamous terrorist organizations in Africa today, Boko Haram has achieved notoriety for its recent murders, kidnappings and violence. What is Boko Haram?
World War I, which lasted from July 1914 to November 1918, introduced many scientific and technological advances, leading some observers to refer to it as "the first modern war."
In the annals of war, animals have answered the call of duty more than once. Now, the macaque monkey is serving the People's Liberation Army of China by protecting an air base from bird strikes.
As people make plans to celebrate Cinco de Mayo, people might also plan on spending more for lime-based margaritas. A lime shortage has dampened enthusiasm for the fiestas.
An Oklahoma execution by lethal injection that went awry has renewed interest in the protection against "cruel and unusual punishment," as guaranteed in the U.S. Constitution.