Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long wave communications, ...

History's impostors inspire modern bureaucracy

"Identity theft" seems a uniquely 21st-century crime, and is very common in the contemporary world. But in a new book, Prof. Miriam Eliav-Feldon of Tel Aviv University's Department of History observes that identity theft ...

Tracking pollution from outer space

The thickest layers of global smog—caused by traffic, industry, and natural minerals, among other factors—are found over the world's megacities. But getting an accurate measurement of pollution is no easy task. On-the-ground ...

Living abroad can bring success—if you do it right

Dr. Carmit Tadmor of Tel Aviv University says that the benefits of extended international travel depend on having a "bicultural" ability to identify with both home and host cultures.

Predicting wave power could double marine-based energy

In the search for alternative energy, scientists have focused on the sun and the wind. There is also tremendous potential in harnessing the power of the ocean's waves, but marine energy presents specific challenges that have ...

Viruses could be the key to healthy corals

Corals are an invaluable part of the marine ecosystem, fostering biodiversity and protecting coastlines. But they're also increasingly endangered. Pathogenic bacteria, along with pollution and harmful fishing practices, are ...

More gold -- and other minerals -- in them thar hills?

Though technology has taken much of the guesswork out of mining, mountain ranges are still notoriously difficult environments in which to hunt for valuable minerals. Various methods used to draw a picture of the underground ...

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