Fact or Fiction?: A “Base Tan” Can Protect against Sunburn

Take heed my lovelies. Fair skin or not, protect your youthful skin with sunscreen, clothing, and exposure time.  Skin cancer sucks. -Al Smith

Fact or Fiction?: A “Base Tan” Can Protect against Sunburn
Studies of sunshine-denied human buttocks help settle the matter
By Dina Fine Maron | May 22, 2015 | 
  
As the weather warms, many of us would prefer to look like we passed our winter days lounging by the pool instead of hunched before a computer screen or lab bench. But soaking up the rays to acquire a so-called “base tan” does not fool the sun or a tanning bed. Simply put, the benefits of being sun-kissed are not even skin-deep.
Scientists came to this conclusion after studying the tanned buttocks of dozens of volunteers. In study after study they have found that a base tan affords almost no protection against future ultraviolet exposure. In fact, it actually puts otherwise pale people at risk of developing skin cancers. A base tan only provides an SPF, or sun protection factor, of 3 or less, according to the U.S. surgeon general. For beachgoers, that means if a person would normally turn pink after 10 minutes in the sun, an SPF 2 base tan would theoretically buy her another 10 minutes—or 20 minutes in total—before she burns. That, says David Leffell, the chief of dermatologic surgery and cutaneous oncology at Yale University School of Medicine, is “completely meaningless” in terms of providing protection.(Maron)

Read more…. Persistent URL: http://www.scientificamerican.com/article/fact-or-fiction-a-base-tan-can-protect-against-sunburn/
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Works Cited

 Maron, Dina. “Fact or Fiction?: A “Base Tan” Can Protect against Sunburn.” Scientific American Global RSS. N.p., 22 May 2015. Web. 28 May 2015. <http://www.scientificamerican.com/article/fact-or-fiction-a-base-tan-can-protect-against-sunburn/&gt;.

 Shlabotnik, Joe. Sunscreen. Digital image. Flickr. N.p., n.d. Web. 28 May 2015. <https://www.flickr.com/photos/joeshlabotnik/782119885/sizes/m/in/photostream/&gt;.  Image Credit: Creative Commons/Flickr

Will Heavy Drinking Really Cause Forgetfulness…SCIAM

Will Heavy Drinking Really Cause Forgetfulness?

http://www.scientificamerican.com/article/will-heavy-drinking-really-cause-forgetfulness/

Charles F. Zorumski, head of the department of psychiatry at the Washington University School of Medicine in St. Louis, answers:

It is indeed possible for a person to get intoxicated and not remember what she or he did. This state is called a “blackout” or, more precisely, a “memory blackout.” During a blackout a person is intoxicated but awake and interacting with the environment in seemingly meaningful ways, such as holding a conversation or driving a car. After the period of intoxication, usually the next day, the person has no or, at best, vague recall for events that occurred while inebriated. At times, being in this state can have disastrous consequences, such as waking up in an unknown or unsafe place, losing personal possessions or participating in risky behaviors.
On the neural level, a blackout is a period of anterograde amnesia.( Ng )

This article was originally published with the title “Is it possible to get so inebriated that you don’t remember your actions?.”

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Ng, Eliene. “SA Mind – Scientific American.” Scientific American MIND. Scientific American, 12 Feb. 2015. Web. 25 Feb. 2015. <http://www.scientificamerican.com/magazine/mind/&gt;.

Use Tech Mindfully

Reblog…

…Today while I was taking my daily dose of newspaper reading, I came across this interesting article from
Huffington Post Canada (one of my favourite papers online). Of course, the topic they covered in their article relates to the topical theme of this blog. It particularly clicks in with what I have posted in “13 Web Tools to Harness the Web” just a couple of days ago : How to deal with this increasing avalanche of digital datacoming from our technolog-focused environments….However, the answer is not escaping technology but rather using it wisely….

http://www.educatorstechnology.com/2013/06/5-tips-on-how-to-use-technology.html?utm_source=feedburner&utm_medium=email&utm_campaign=Feed:+educatorstechnology/pDkK+(Educational+Technology+and+Mobile+Learning)&m=1

iPhone message…Al Smith
~~~~~~~~~~~~~~~~~~~~

Essence of optimism…SCIAMind

20130606-164531.jpg
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20130606-164404.jpgThe Essence of Optimism; January / February 2013; Scientific American Mind; by Elaine Fox; 6 Page(s) | When I was a 14-year-old in a suburb of Dublin, we were at the height of “the Troubles.” During this period of civil unrest, our school regularly took in girls from Northern Ireland to get them away from the bomb blasts and shootings in Belfast, some two hours’ drive across the border. One of these girls was named Sandra, and she had been at our school for a couple of weeks when one day the two of us decided to walk home for lunch. As I was walking and chatting, I suddenly became aware that Sandra was no longer beside me.
Looking around, I saw her about 10 meters back, lying flat on the pavement. A car had backfired, and she had instantly thrown herself on the ground. Deep in her brain, an alarm signal had gone off. That same signal had slipped past me unnoticed. (SCIAM, JULY2013)

(@walrusmagazine) Food Banks may not be helping…

hply2chy37r05cq2r3g0_normal.png The Walrus (@walrusmagazine)
2013-03-12 9:56 AM
The Hunger Game: Food banks may compound the very problems they should be solving thewalrus.ca/the-hunger-gam…

The Hunger Game

Food banks may compound the very problems they should be solving

By Nick Saul

FROM THE APRIL 2013 MAGAZINE

PICTURE A VAST warehouse the size of a football field. Forklifts stand loaded with wooden pallets and cardboard boxes tightly secured with heavy-duty plastic wrap. In aisle upon aisle, boxes sit on metal shelves that reach all the way to the ceiling. It might be an IKEA store or any modern commodity warehouse. But this is a food bank or, more accurately, a food bank distribution warehouse. Every major Canadian city has one. The largest send out nearly 8 million kilograms of food a year to the hungry people lining up at community-based food banks.

New Scientist (@newscientist) – Arctic melting…

NS_normal.png New Scientist (@newscientist)
2012-11-28 9:54 AM
Are we close to a major tipping point? Arctic permafrost is melting faster than predicted newscientist.com/article/dn2254…

http://www.newscientist.com/article/mg21528802.200-arctic-ice-low-heralds-end-of-3millionyear-cover.html

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New Scientist (@newscientist) Storm on Saturn…

NS_normal.png New Scientist (@newscientist)
2012-11-28 9:51 AM
WOAH. That’s BIG. Cassini spots superstorm at Saturn’s north pole ow.ly/fEv96

(New Scientist)

Sent from my iCloud Al Smith
literateowl

Textbooks evolve ebooks more interactive

http://www.sciamdigital.com/index.cfm?fa=Products.DownloadIssue

Textbooks Come Alive

Next-generation science e-books may help keep young people engaged
Science can advance quickly, rendering existing textbooks obsolete. Now new digital textbooks are emerging intended to better engage students and keep them up-to-date on the latest research.

These e-books will cost (and weigh) less than the average printed tome. In January, Apple announced its iBooks 2 textbook platform for the iPad, and publishers, including McGraw-Hill, Pearson, and Houghton Mifflin Harcourt, have signed on to create content for it. In February, Nature Publishing Group, of which Scientific American is a part, came out with Principles of Biology, an interactive, multimedia “book” intended for university-level introductory biology classes that is accessible online using tablet computers, laptops, desktops and smartphones. Principles of Biology integrates text with videos, simulations, interactive exercises, illustrations and tests and also includes classic and current papers from Nature and related journals. Future titles in the life and physical sciences are in the works.

Marine ecologist David Johnston of Duke University and his colleagues have taken a more Wikipedia-like approach. Their app, Cachalot, is available for free on the iPad and was created with the help of volunteers: marine scientists wrote it without charge from lecture notes, a computer science class designed it, and institutions, including the Woods Hole Oceanographic Institution, donated images and video. The project grew out
of a class of Johnston’s that focuses on large marine animals such as dolphins, turtles, seals and giant tube worms. Although writers are not paid for their contributions, their work does get peer-reviewed and published, thus making it potentially valuable when it comes time for promotion or tenure, he says.
Sharon Lynch, a science education researcher at George Washington University, says e-books such as these may eventually become mainstream but adds that research needs to be done on whether or not they are actually better than traditional textbooks. One such study is already under way at Nature Publishing Group: on some California State University campuses, students began biology on old textbooks, whereas other classes came in with Principles of Biology, so the company is doing side-by-side comparisons of how well students learned biology and how their attitudes toward science might differ, says Vikram Savkar, publishing director of Nature Education.

Entire digital issue now available. I drive/handouts/library resources/eread/sciam/

eRead Scientific American MIND -March

SCIAM MIND March 2012 Edition

 MIND Feb  2012.
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Online Reading>

The discovery of multitasking masterminds is revealing how the brain works when it strives to do several things at once

Signs of incipient psychosis show up early in life. Reading them is key to rescuing kids from the abyss of a serious mental illness

Meet your goals with research-proven tips and techniques

Unusual cases reveal that the famous “five senses” are not as distinct as once thought

Good social skills depend on picking up on other people’s moods—a feat the brain performs by combining numerous sensory clues

Scientific American Magazine

March APRIL  2012.
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Online Reading>

Internet Freedom Fighters Build a Shadow Web

Governments and corporations have more control over the Internet than ever. Now digital activists want to build an alternative network that can never be blocked, filtered or shut down

Blocking HIV’s Attack

Scientists have rid one man of HIV by preventing the virus from entering certain immune cells. But the treatment was dangerous and likely unrepeatable. Can they figure out a safer, more broadly achievable way to help millions more?

Search for Faster, Better Antidepressants Makes Progress

Existing antidepressants leave a lot to be desired. They can take weeks to start working, and they fail many people. Researchers are scouting for better options

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School Library Profile for School Libraries in Canada

AjNEW

Fighting to absorb the last hours of summer vacation, my mind was thrust into pondering our school library program at Kelowna Secondary School.  Recently we had the pleasure of writing a library profile for School Libraries in Canada.  During Labour Day weekend writing anything can be a challenge but Sharon and I felt honoured to be asked by the editor Derrick Grose. I only wish our narrative could justly reflect the realities of our challenging and exciting assignment. 

Visit our library online at: www.kss.sd23.bc.ca/rc
Read the journal at http://www.clatoolbox.ca/casl/slic/

Feel free to right comments, criticisms, thoughts about the article or share your experiences below. Follows us on Twitter @literateowl or @kssreads, or  Facebook page>KSSreads

regards,

Al Smith

Sharon Bede

SCI Amer MIND-new issue online

Scientific American MIND (Jan/Feb 2009)

Sciammind_2010-01

http://www.scientificamerican.com/sciammind/

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