Five Steps for Being Happier Today

Tip 1: Accept painful emotions.

Tal Ben-Shahar: The first thing to do to become happier, paradoxically, is to accept painful emotions, to accept them as a part of being alive. The paradox is that when we give ourselves the permission to be human, the permission to experience the full gamut of human emotion. We open ourselves up to positive emotions as well.

Tip 2: Stop texting while you're with your friends. 

Tal Ben-Shahar: A very good predictor of well-being is what psychologist Tim Kasser calls time affluence. Time affluence is the thing that we have time to sit down and chat with our friends while -- not while being on the phone at the same time or text messaging at the same time, being with that person.

Tip 3: Exercise!

Tal Ben-Shahar: Three times a week for 30 to 40 minutes of aerobic exercise, could be jogging or walking or aerobics or dancing, three times a week of 30 to 40 minutes of exercise is equivalent to some of our most powerful psychiatric drugs in dealing with depression or sadness or anxiety. 

Tip 4: Express your gratitude daily — in writing.

Tal Ben-Shahar: People who keep a gratitude journal, who each night before going to sleep write at least five things for which they are grateful, big things or little things, are happier, more optimistic, more successful, more likely to achieve their goals, physically healthier; it actually strengthens our immune system, and are more generous and benevolent toward others.

Tip 5: Simplify. 

Tal Ben-Shahar: Do less rather than more. The problem is that we try and cram more and more things into less and less time, and we pay a price. We pay a price in terms of the quality of the work that we do. We also pay a price in terms of the quality of relationships that we enjoy.

Recorded on: September 23, 2009

Positive psychologists have found a series of scientifically-proven ways for you live a happier life.

​There are two kinds of failure – but only one is honorable

Malcolm Gladwell teaches "Get over yourself and get to work" for Big Think Edge.

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Scientists study tattooed corpses, find pigment in lymph nodes

It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.

17th August 1973: An American tattoo artist working on a client's shoulder. (Photo by F. Roy Kemp/BIPs/Getty Images)
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In the slightly macabre experiment to find out where tattoo ink travels to in the body, French and German researchers recently used synchrotron X-ray fluorescence in four "inked" human cadavers — as well as one without. The results of their 2017 study? Some of the tattoo ink apparently settled in lymph nodes.


Image from the study.

As the authors explain in the study — they hail from Ludwig Maximilian University of Munich, the European Synchrotron Radiation Facility, and the German Federal Institute for Risk Assessment — it would have been unethical to test this on live animals since those creatures would not be able to give permission to be tattooed.

Because of the prevalence of tattoos these days, the researchers wanted to find out if the ink could be harmful in some way.

"The increasing prevalence of tattoos provoked safety concerns with respect to particle distribution and effects inside the human body," they write.

It works like this: Since lymph nodes filter lymph, which is the fluid that carries white blood cells throughout the body in an effort to fight infections that are encountered, that is where some of the ink particles collect.

Image by authors of the study.

Titanium dioxide appears to be the thing that travels. It's a white tattoo ink pigment that's mixed with other colors all the time to control shades.

The study's authors will keep working on this in the meantime.

“In future experiments we will also look into the pigment and heavy metal burden of other, more distant internal organs and tissues in order to track any possible bio-distribution of tattoo ink ingredients throughout the body. The outcome of these investigations not only will be helpful in the assessment of the health risks associated with tattooing but also in the judgment of other exposures such as, e.g., the entrance of TiO2 nanoparticles present in cosmetics at the site of damaged skin."

Why are so many objects in space shaped like discs?

It's one of the most consistent patterns in the unviverse. What causes it?

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  • Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
  • Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
  • Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.