Psychology & Psychiatry

Left out: Researcher probes the pain of ostracism

The sad sensation of being left out inspires feelings of anger, sadness and revenge in humans – some of whom even express interest in joining gangs after being left out, according to research from the University of Virginia.

Psychology & Psychiatry

Have you caught a catfish? Online dating can be deceptive

On the internet, you can become anyone you want to – at least for a while. And though deception doesn't fit well with lasting romance, people lie all the time: Fewer than a third of people in one survey claimed they were ...

Health

Take a stand against too much sitting at work

(HealthDay)—We know that the amount of sitting Americans do is now considered a health threat. Researchers estimate that the average adult spends more than 8 hours a day being sedentary, and it's not just all that time ...

Psychology & Psychiatry

Our obsession with taking photos is changing how we remember the past

Last year I visited the Hermitage in St Petersburg, Russia – one of the best art museums in the world. I was expecting to serenely experience its masterpieces, but my view was blocked by a wall of smart phones taking pictures ...

Health

Convincing Chinese smokers to kick the habit—by text

Among smokers receiving a 12-week-long mobile phone-based intervention encouraging them to quit, up to 6.5% of participants stopped smoking by the end of the study, according to a research article published this week in the ...

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Telephone

The telephone (from the Greek: τῆλε, tēle, "far" and φωνή, phōnē, "voice") is a telecommunications device that transmits and receives sound, most commonly the human voice. It is one of the most common household appliances in the developed world, and has long been considered indispensable to business, industry and government. The word "telephone" has been adapted to many languages and is widely recognized around the world.

The device operates principally by converting sound waves into electrical signals, and electrical signals into sound waves. Such signals when conveyed through telephone networks — and often converted to electronic and/or optical signals — enable nearly every telephone user to communicate with nearly every other worldwide. Graphic symbols used to designate telephone service or phone-related information in print, signage, and other media include ℡, ☎, ☏, and ✆.

This text uses material from Wikipedia, licensed under CC BY-SA