Why Your Facial Expressions at Work Can Affect Your Career

TIME

What’s the first thing you notice about a person? It’s generally their facial expression. And when you meet someone for the first time, you’re likely to remember if they greeted you with a big grin or a disappointing sulk. First impressions do matter, and your facial expressions can affect how people perceive you. Dr. Alan Fridlund, professor at University of California Santa Barbara, says that expressions are inherently social; they give others clues to how you’re feeling.

Facial expressions can forecast how a person’s feeling: “The face is like a switch on a railroad track,” Fridlund says. “It affects the trajectory of the social interaction the way the switch would affect the path of the train.” Studies by Dr. Fridlund and others show that expressions “occur most often during pivotal points in social interactions; during greetings, social crises, or times of appeasement.” This is where your career may be affected…

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Nigerian Army Takes Boko Haram Capital and Boosts Goodluck Jonathan’s Election Chances

TIME

The Nigerian army said on Friday that it re-taken the town of Gwoza where the Islamist militant group Boko Haram had maintained its headquarters.

“These successful operations have culminated in the dislodgment of terrorists from towns and communities in Adamawa, Yobe and Borno states,” military spokesman Chris Olukolade told the BBC. He said that Boko Haram fighters were seen fleeing to areas near the border with Camerooon.

The perception of military success might give President Goodluck Jonathan a better chance of beating his rival Buhari who has criticized Jonathan’s failure to take action against Boko Haram in the last six years.

When Nigeria’s presidential elections were postponed by six weeks in February for security reasons, many saw it as a thinly veiled attempt by Jonathan to gain time in a race that was turning in his rival’s favor. Had elections been held on schedule, Buhari might have had a very…

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Who Benefits Most From Cheap Oil?

TIME

We are living in a world obsessed with oil and its price movements. Some time back, when all the trade pundits were predicting a stable 100$ benchmark, the prices fell… and how! The current fall in the oil price has been particularly harsh and excruciating for some of the prominent players such as Russia and Venezuela. To add fuel to the fire, on March 16, 2015, the oil price plummeted to a 6-year low level of 42.98 dollar per barrel. With the possible addition of Iranian oil to the global oil supply, the refusal of OPEC to cut down its production levels, rising US crude inventory and weak global demand, one can easily predict that cheap oil is here to stay. These are testing times for global economy where a simple question arises: Who benefits the most from cheap oil?

The answer is not one but the two Asian Giants:…

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Now 3D-Printed Guns Can Fire Even Bigger Bullets

TIME

3-D printing hobbyists have managed to print up a functioning Colt CM901 assault rifle, what’s said to be the heaviest caliber rifle to ever roll off the presses of a 3-D printer.

Hobbyists at PrintedFirearm.com posted an animated GIF of the 3-D printed rifle firing off several rounds at a shooting range, according to military blog War Is Boring.

The CM901 fires 7.62 mm rounds, a heavier caliber bullet than that of the AR-15. The gun also recoils with greater force, requiring gunsmiths to print up sturdier plastic parts that can withstand the stresses of multiple rounds. After a period of trial and error, the team claims the CM901 can fire off several rounds “with little to no issues.”

And the most unsettling part: the rifle can be printed using a $500 Da Vinci 3-D printer. That’s a bargain compared with the first 3-D printed firearm, which first rolled off…

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Watch Two Students Extinguish Fire Using Sound

TIME

A pair of engineering students at George Mason University in Virginia managed to create a fire extinguisher that operates using sound waves.

This started as an idea for a senior research project, and after a year’s worth of tinkering (and spending $600 of their own money), Seth Robertson and Viet Tran created something fully functional, the Washington Postreports. As you’ll see in the clip above, the portable device puts out a blaze in mere seconds.

Sound waves are also “pressure waves, and they displace some of the oxygen,” Tran told the Washington Post, explaining how the apparatus works. At the right frequency, the sound waves “separate the oxygen [in the fire] from the fuel,” he said. “The pressure wave is going back and forth, and that agitates where the air is. That specific space is enough to keep the fire from reigniting.”

After quite a bit of trial…

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Former NTSB Chairman: ‘We Need Cameras in the Cockpit’

TIME

The tragic crash of Germanwings Flight 9525 has left the world in mourning. The 150 victims hailed from 18 different countries, including the United States. Right now, the families of the deceased and those investigating the accident are urgently trying to figure out what went wrong. One portion of the crucial black boxes, the cockpit voice recorder, though badly damaged, has been recovered and apparently reveals that the co-pilot was responsible for intentionally crashing the aircraft.

Due to the rugged and inaccessible terrain of the crash site and the high speed of impact, investigators are having a difficult time finding the flight data recorder. Unlike crashes over water, when an aircraft crashes over land, the pingers attached to the black box do not assist in locating the device. These black boxes will have to be recovered by rummaging through the wreckage on site.

When investigators do find the flight data…

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