Researchers Implant False Memories In Mice

[unable to retrieve full-text content]sciencehabit writes "Call it 'Total Recall' for mice. A group of neuroscientists say that they've identified a potential mechanism of false memory creation and have planted such a memory in the brain of a mouse. With this knowledge, neuroscientists can start to figure out how many neurons it takes to give us the perception of what's around us and what goes on in our neural wiring when we remember—or misremember—the past."

Read more of this story at Slashdot.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/bzLq6Xmp8Ng/story01.htm

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New York Jets coach Rex Ryan jokes he would be out of job if team drafts South Carolina's Jadeveon Clowney

Rex Ryan, Jeff Weeks

New York Jets coach Rex Ryan, left, poses with defensive assistant Jeff Weeks at training camp on Friday in Cortland, N.Y. (AP Photo | BILL KOSTROUN)

Rex Ryan has a prediction: If the New York Jets can draft South Carolina star defensive end Jadeveon Clowney, he won't be the coach.

Ryan, considered by many to be in a make-or-break season, delivered a gem when asked today how much of his daily discussions with general manager John Idzik involve looking beyond this season.

"It's safe to say I won't be here if we draft Clowney," a grinning Ryan said. "I can just say that right now. I think I'm going to say that without hesitation."

Clowney is the front-runner to be the No. 1 overall selection in next year's draft. Holding that top pick would likely mean the Jets had a terrible season.

"Shoot, that draft is miles away," a laughing Idzik said. "That's pretty funny, though."

Source: http://www.lehighvalleylive.com/sports/index.ssf/2013/07/new_york_jets_coach_rex_ryan_j_1.html

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Curtis Stone on Hudson?s Refined Palate: ?He?s a Good Eater!?

From crab and lentils to steak, "He's chompin' away," the celeb chef says of his 20-month-old son.

Source: http://feeds.celebritybabies.com/~r/celebrity-babies/~3/wqupE46A2Qw/

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Blast near UK Canada embassies rattles Tripoli

albawaba Wednesday 24th July, 2013

TRIPOLI, Libya -- A possible car bomb went off in front of the Tripoli Towers in Libya, Tuesday near the British and Canadian embassies, officials said.A car was destroyed but conflicting reports called it a car bombing or a rocket-propelled grenade attack aimed at the building, which houses the embassies and a host of company offices in the heart of the city's downtown business district. Some reports suggested the rocket missed its intended target and struck the car instead.Rick Roth, a spokesman for the Canadian foreign minister, said on Twitter the Canadian Embassy was closed at the time of...

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Source: http://www.canadastandard.com/index.php/sid/216025219/scat/71df8d33cd2a30df

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Arctic News: Arctic Methane Release: "Economic Time Bomb"

On March 19, 2013, a number of experts came together for an Ecorys.com workshop, as part of a
study?examining the impact of a 50-Gt release of methane from the melting permafrost at the East Siberian Arctic Shelf (ESAS)?over different time periods, ranging from one to five decades.

Back in 2008, a study by Natalia Shakhova et al. considered release of up to 50 Gt of predicted amount of hydrate storage as highly possible for abrupt release at any time.

In order to estimate the cost of such a release, this new study used a more recent version of the model used in the renowned Stern Report. Findings of the study are published in the journal Nature. The conclusion is that such a release from the ESAS alone comes - in the absence of mitigating action - with a price tag of $60 trillion. By comparison, the size of the world economy in 2012 was about $70 trillion.

Such a methane pulse will "bring forward 15?35 years the average date at which the global mean temperature rise exceeds 2?C above pre-industrial levels", says the paper.

"The economic consequences will be distributed around the globe, but the modelling shows that about 80% of them will occur in the poorer economies of Africa, Asia and South America. The extra methane magnifies flooding of low-lying areas, extreme heat stress, droughts and storms."

"The total cost of Arctic change will be much higher," says the paper. To find out the actual cost, more feedbacks should be incorporated in the model, such as linking the extent of Arctic ice to increases in Arctic mean temperature.?The full impacts of a warming Arctic include, for example, ocean acidification and altered ocean and atmospheric circulation. "Midlatitude economies such as those in Europe and the United States could be threatened, for example, by a suggested link between sea-ice retreat and the strength and position of the jet stream, bringing extreme winter and spring weather. Unusual positioning of the jet stream over the Atlantic is thought to have caused?this year?s protracted cold spell in Europe."

Experts attending the workshop include:?

Peter Wadhams, Head of the Polar Ocean Physics Group at Univeristy of Cambridge. Chris Hope, ?reader in policy modelling at Judge Business School, University of Cambridge, and?creator of the PAGE-models used for the Stern-report? Carl Koopmans, Professor of Infrastructure and Economics, VU University, Amsterdam? Henri de Groot, professor in Regional Economic Dynamics, VU University, Amsterdam? Marcel Canoy, Professor at the?School of Economics and Management, University of Tilburg Gail Whiteman,?Professor of sustainability, management and climate change at the Department of Business-Society Management, Erasmus University, Rotterdam?

References

- Arctic time-bomb warning
in: Cambridge News, by Jennie Baker
http://www.cambridge-news.co.uk/Education/Universities/Arctic-time-bomb-warning-20130724123026.htm

- Anomalies of methane in the atmosphere over the East Siberian shelf: Is there any sign of methane leakage from shallow shelf hydrates?
N. Shakhova,?I. Semiletov, A. Salyuk, D. Kosmach
http://www.cosis.net/abstracts/EGU2008/01526/EGU2008-A-01526.pdf

- Arctic methane?release is an 'economic time bomb' - study
by Nafeez Ahmed

Source: http://arctic-news.blogspot.com/2013/07/arctic-methane-release-economic-time-bomb.html

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Researchers refute how hormone replacement therapy study is ...

A claim that thousands of women have died because they avoided estrogen therapy represents an oversimplification of the issues and reinforces the risks of partial analyses, say investigators in the Women?s Health Initiative (WHI).

Hormone therapy, whether hormone replacement therapy (HRT) or unopposed estrogen (without a counterbalance of a progesterone), confers risks and benefits that vary according to a woman?s age, time since menopause and numerous other factors.

The WHI showed that postmenopausal hormone has variable effects and emphasized the need for individualized therapy, said JoAnn E. Manson, MD, of Brigham and Women?s Hospital in Boston.

?I don?t think the WHI estrogen-alone trial can be interpreted as simply leading to many excess deaths among younger women,? Manson told?MedPage Today. ?In fact, it was saving many lives among the older age groups, and across all age groups it was helping clinicians identify the most appropriate candidates for therapy and minimizing some of the adverse events.?

?The WHI results were never intended to be generalized to younger women who have early surgical menopause and early removal of the ovaries prior to the onset of menopause,? she added.

The analysis,?published last week, was not so much a study as it was a math exercise, said WHI investigator Andrea LaCroix, MD, of the Fred Hutchinson Cancer Research Center in Seattle. She was the lead author of a 2011 report that provided the genesis for the new analysis of women, ages 50 to 59, who had hysterectomies.

?They [authors of the new analysis] took one statistic ? and put it into a formula and calculated the expected number deaths under a set of assumptions that may or may not be reasonable,? said LaCroix. ?That?s what they published. Is that true?

?These data from the WHI were first reported in 2004, and there were declines in estrogen use in 2002,? she added. ?My first question is, where is the real evidence that death rates have increased in women 50 to 59 in the U.S. in those communities where the greatest decreases in hormone therapy have occurred??

The reaction centered on a study suggesting that as many as 91,000 women ages 50 to 59 might have died prematurely as a consequence of avoiding unopposed estrogen therapy after hysterectomy. At a minimum, the authors estimated, 18,000 women died prematurely over the past 10 years.

?As a result (of the methodology), the findings are unreliable projections, which are, at best, hypothesis-generating and should not inform clinical practice,? said WHI investigator Rowan Chlebowski, MD, of the University of California Los Angeles.

?We don?t highlight or make any clinical recommendations based on speculative projections based on subgroup analyses of breast cancer adjuvant or advanced disease trials. The same caution should be given in this case, where headline prominence in media reports seems to suggest more importance than such a speculative hypothesis can support.?

Authors of last week?s report took the media to task for oversimplification of WHI findings, often with the complicity of researchers and clinicians. Chlebowski did the same.

?I recognize the general interest in menopausal hormone therapy findings, but it seems the media should weigh carefully the strength of any evidence presented before endorsing an author?s conclusions,? he said.

Beyond cautions about the validity of subgroup analyses, Manson said ?estrogen therapy should not be used routinely in women with hysterectomy after age 50. It?s also important to understand that the WHI was studying women who were postmenopausal.

?The findings do not necessarily apply to women who have hysterectomy and surgical menopause at a younger age, 40 or 45, where it?s clear, much clearer, that the benefits of estrogen therapy will outweigh the risk for nearly all women who undergo early surgical menopause.?

In the 2004 and 2011 reports, WHI investigators emphasized the need for counseling about the appropriateness of postmenopausal hormonal treatment, whether estrogen alone or estrogen plus progestin. In the same vein, LaCroix took issue with any implied promises about the benefits of estrogen therapy.

?There is no pill available that will reduce the risk of death in postmenopausal women,? she said. ?Anyone who implies otherwise is overreaching.?

Source: MedPageToday

Source: http://alpha-1foundation.org/researchers-refute-interpretation-of-hormone-replacement-therapy-study-findings/

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Knox College is busy preparing for another presidential visit ...

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Source: http://www.facebook.com/registermail/posts/10153026703470694

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