Jessica Catao

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Exclusive articles:

What’s the Most Expensive Thing in the World?

  Would you pay $10,000 for a feather? How about $1 million for a parking spot? Do you think $1.6 million is a fair price...

When Did the American “Old West” End?

  Can you throw a lasso? Have you ever worn a 10-gallon hat? Do you dream of driving a covered wagon over dirt tracks? If...

How to become an oceanographer?

  Like all scientists, oceanographers are curious. They want to know things like what causes ocean currents. How oceans interact with land along coastlines. How...

Why Does the Moon Change Shape?

  People have always been fascinated by the Moon. We have plenty of good reasons to be! The Moon controls our tides, causes solar eclipses, and appears to have...

    Ocean waters cover about 70 percent of the planet. On average, that water is 3,800 meters (almost 2.4 miles) deep. But in the deepest...

Breaking

Salt in water sources becoming worrisome in D.C. region, experts warn

The Washington region is growing — a metropolis of...

THE INVENTION OF THE VACUUM CLEANER

In 1901, if you were lucky, you might have...

‘Heatflation’: How High Temperatures Send Food Prices Soaring

Crops are seen drying up on the banks of...
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