What is St. Elmo's Fire?
Sometimes a lightning storm like this one heralds sightings of St. Elmo's Fire. What causes the mysterious glow sailors interpreted as a sign of salvation?
Sometimes a lightning storm like this one heralds sightings of St. Elmo's Fire. What causes the mysterious glow sailors interpreted as a sign of salvation?
With the global food crisis, some people feel that using food to make biofuel just doesn't make sense. Could algae be a solution? How could algae possibly fuel cars and even airplanes?
Most people enjoy capturing memories on film: birthdays, anniversaries or perhaps a trip to the beach. But how can someone take a picture of a speeding bullet? How do they freeze a hummingbird's wings in mid-flight?
The strange feeling arrives suddenly. Intense heat feels like a blast furnace has just been ignited below the surface of your skin. As quickly as it arrived, it vanishes. What causes hot flashes?
Tree houses are no longer kids-only hideouts. Adults taken with Swiss Family Robinson fantasies are building fully appointed luxury tree dwellings. So how do you choose a tree?
When they discover dinosaur remains, how do scientists know whether they found a male or a female? Would you believe it all comes down to one bone?
Why don't you have two hearts? Here's a hint: It's the same reason as you have one liver, but two eyes. Would a second heart help you live better?
One man's bottle cap may be another man's doorbell. Whether they're working from economic necessity, an artistic bent or environmental motivation, some people build their homes from everyday objects.
For serious gamers, there's nothing worse than finding out an eagerly anticipated video game has been scrapped. Is your favorite game that never was on our list?
A car for $2,500 has to be a joke, right? Wrong. Meet the Nano from Tata Motors, the world's cheapest car and the auto industry's answer to the $100 laptop.
Researchers are working on ways to engineer viruses to attack cancer cells, killing the disease without radiation, medicine or surgery. How do the viruses know what to kill?
Sword swallowing is an extremely dangerous trick that doesn't involve illusions. How can it be real, and how do swords pass through the upper GI tract? Don't try this stunt at home!
The men of the Central Australia Aboriginal Congress have issued an apology to Aboriginal women for suffering caused by Aboriginal men. What is this chapter in the long and troubled history of the indigenous Australians?
With gas prices soaring, motorcycles, which can achieve fuel economies as high as 85 miles per gallon, are starting to look more appealing. And unlike cars, motorcycles allow riders to connect intimately with the driving experience.
Model Christie Brinkley's divorce from husband Peter Cook is making headlines for its dramatic public nature. How does a divorce normally proceed from start to finish?
Watermelon is a summertime picnic staple, but can it also serve as an aphrodisiac of sorts? A new study has found that watermelon can exert a Viagra-like effect on the body. What is it that the little blue pill does?
Deceased real estate magnate Leona Helmsley, the so-called Queen of Mean, left billions of dollars to be used for the welfare of dogs. What's the story behind man's best friend?
Giant coffee chain Starbucks has announced that it's closing 600 of its stores in the coming year. Just what's so special about that cup of joe?