Χρήστος Καρακώστας

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9 winter vacations for people who like being cold and naked

When temperatures drop, some people reach for their snow suits. Others reach for their birthday suits.<p>Apparently there are people on this planet who …

Watch This Waterfall Flow for the First Time in Centuries

Heavy rains and flooding across North Yorkshire in the U.K. caused water to cascade over the giant cliff of Malham Cove over the weekend, for the …

Image of Skulls [image]

Image of Skulls (image)<p>New York University<p><b>Disclaimer:</b> AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to …

Increased CO2 in the atmosphere has altered photosynthesis of plants over the 20th century

Researchers at Umeå University and the Swedish University of Agricultural Sciences have discovered that increasing levels of CO2 in the atmosphere …

This Is How the Ocean Makes Earth Livable

Seventy percent of Earth’s surface is ocean, and without it, the other 30 percent would barely be inhabitable. The ocean absorbs and distributes heat …

Libya's rival governments shun UN, sign separate peace deal

BENGHAZI, Libya (AP) — Lawmakers from Libya's rival parliaments have reached a power-sharing agreement in Tunisia, shunning a U.N.-brokered deal to …

Africa

Lufthansa passenger threatens to bring down plane

A man aboard a Lufthansa flight from Frankfurt to Belgrade was arrested Sunday after threatening to open a plane door during the flight, Serbian authorities said.<p>Passengers quoted by Belgrade media said the man banged on a cockpit door threatening to bring down the plane while it was flying over …

Airplanes