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Eve Gene: Do We All Descend From a Common Female Ancestor?
science.howstuffworks.com/life/evolution/female-ancestor.htm
A common female ancestor could be what all humans can trace their lineage to. Learn more about the common female ancestor and Mitochondrial Eve.
What Is Biodiesel?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/biodiesel.htm
Biodiesel turns biodegradable fats and oils into an alternative fuel for your car. Learn about biodiesel components, biofuel history and biodiesel pros and cons.
How Embalming Works
science.howstuffworks.com/science-vs-myth/afterlife/embalming.htm
You may know that the ancient Egyptians used embalming in mummification. But they weren't the first to embalm their dead, nor were they the last. In fact, it's still being done today.
Can You Identify All These Police Vehicles?
play.howstuffworks.com/quiz/can-you-identify-all-these-police-vehicles
All police vehicles are not created equal. Can you tell which vehicle is under the flashing red and blue lights that are going to put a crimp in your day - or save the day?
10 Dramatic Acts of Human Kindness
people.howstuffworks.com/10-acts-kindness.htm
Acts of kindness may not get as much air time as tragedy, but they still exist. Read about 10 acts of human kindness.
How Controlled Burns Work
science.howstuffworks.com/controlled-burns.htm
How effective is fighting a wildfire with controlled fire?
10 Tips for How to Relieve Sinus Pressure
health.howstuffworks.com/diseases-conditions/headache/10-tips-for-how-to-relieve-sinus-pressure.htm
Relieving sinus pressure isn't rocket science, but when your head's clogged up, it can feel just as important. Learn more at HowStuffWorks.
How Paramedics Work
health.howstuffworks.com/medicine/paramedics.htm
Paramedics are trained in prehospital care and are often involved in emergency situations. Learn more about how paramedics save lives every day.
10 Superstitions About Birds
animals.howstuffworks.com/birds/10-superstitions-about-birds.htm
As Hitchcock's 1963 horror classic "The Birds" taught us, it's a good idea to respect our avian friends. Before you accidentally let any bad luck take wing, peck away at these bird-related superstitions.
Allies Bomb Northern Nazi Germany: June 1943-December 1943
history.howstuffworks.com/world-war-ii/allies-bomb-northern-nazi-germany.htm
This World War II timeline highlights key events from June 1943-December 1943. Get details on the Allies' bombing of Nazi Germany, and more.