What should we be asking ourselves?
Jon Meacham is the Editor of Newsweek magazine. Since starting there as a writer in 1995, he has also served as the national affairs editor and managing editor. He now supervises and occasionally contributes to Newsweek’s coverage of politics, international affairs, and breaking news. Meacham is the author of two New York Times bestsellers: American Gospel: God, the Founding Fathers, and the Making of a Nation (2006), and Franklin and Winston: An Intimate Portrait of an Epic Friendship (2003), which won the 2005 Emery Reves Award and the William H. Colby Military Writers Symposium’s Book of the Year Award. His latest book, American Lion: Andrew Jackson in the White House, was published by Random House on November 11, 2008.
Meacham has written for The New York Times Book Review, The Washington Post, The Los Angeles Times Book Review, and The Washington Post Book World. He is also a contributing editor for The Washington Monthly. In 2001, he edited Voices in Our Blood: America’s Best on the Civil Rights Movement (Random House), a collection of distinguished nonfiction about the mid-century struggle against Jim Crow. Born in Chattanooga in 1969, Meacham graduated from The University of the South in Sewanee, Tennessee, with a degree summa cum laude in English Literature. He is also a member of the Board of Regents of The University of the South, the Vestry of Trinity Church Wall Street, the Leadership Council of the Harvard Divinity School and the Council on Foreign Relations. He received an honorary Doctor of Humane Letters degree from the Berkeley Divinity School at Yale University in 2005 and also holds three honorary doctorates. He and his wife live in New York City with their two children.
Jon Meacham: Is there anything one can do – one’s self – to advance the idea that a culture of liberty and personal freedom is the highest human value? That in freedom there’s strength. That in . . . Not in a sort of mindless July 4th stuff, but that in point of fact, no matter what tradition one comes from – whether Islamic or Jewish or Christian or Hindu – that if we’re made in the likeness and image of God, if we live in . . . If we’re part of a divinely ordained – or at least a world in which there is a predominant myth of divinity and divine providence – how do we best play our part in that __________? And is maximizing the ability of you to do what you want or me to do what I want, as long as it doesn’t pick your pocket or break your arm, is that . . . is there something we can do to do that?
Recorded on: 7/3/07
In freedom there is strength.
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It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.
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."
It's one of the most consistent patterns in the unviverse. What causes it?
- 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.
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