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If It Feels Like Stress Is Killing You, That's Because It Might Be

When you feel frazzled, so do your organs and cells<p>Chronic stress stems from many circumstances, such as poverty, a bad marriage, or long-term ailments. Its repercussions—elevated cortisol levels and inflammation—can wear us out, from the cellular level on up to our major biological systems.<p>Nervous …

Immune System

The Beginner's Guide to Getting Better Sleep

Opinions expressed by <i>Entrepreneur</i> contributors are their own.<p>On February 13, 1972, Michel Siffre climbed into a cave in southwest Texas. It would be six months before he saw daylight again.<p>Siffre was a French scientist and a pioneer in chronobiology, which is the study of biological rhythms. The …

Immune System

Why We Smile And How To Spot A Fake One

Flickr/Nana B Agyei<p><b>BI Answers: Why do we smile?</b><p>Studies have shown that smiling can help us cope, make us feel good, and even increase our longevity.<p>Some say we even smile in the womb and can understand the social significance of those toothy grins very early on. "At just 10 months, for instance, an …

Body Language

As Kiev looks West, Putin turns east to build Eurasian dream

ALMATY (Reuters) - With his biggest prize escaping his grasp in Ukraine, Vladimir Putin is likely to turn to the autocrats of Central Asia, particularly Kazakhstan’s Nursultan Nazarbayev, to further his aim of erecting a Eurasian Union of former Soviet states.<p>Russian President Vladimir Putin takes …

Is the Internet Making Us More Democratic?

<i>Matthew Carpenter-Arévalo is a peer at #DemocraciaEnRed, a Latin America-based movement to promote the evolution of democracy through modern tools.</i><p>While discontent rooted in the offline world continues to be the source of protests worldwide, few can argue that the lowered cost of communication …

Could this radar have spotted Malaysia's missing plane?

<b>As the search for the missing Malaysia Airlines flight intensifies, a new advanced radar system has been unveiled by scientists. But could it have spotted the plane?</b><p>The world's first photonic radar was tested at Pisa Airport in Italy and achieved "world-class" performance, according to an …

United States Navy Unveils Plan to Beam Solar Power from Space to Earth

The United States Navy Research Laboratory has unveiled two modules they are testing to capture solar energy from space and divert its power to …

Last British 'Great Escaper' tells how he escaped execution

The last British survivor from the Great Escape tells of his memories of the breakout, his dramatic capture and how he was spared from execution in the tragic aftermath<p>Dick Churchill can reasonably claim to be a lucky man.<p>Having been among the 76 prisoners of war to have successfully broken out of …