Monday 28 September 2015

Female Mice Exposed to Environmental Chemicals May Show Decreased Physical Activity in Their Offspring

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Endocrine disruptors are contaminants that interfere with endocrine or hormone systems and can cause tumors, birth defects and

The post Female Mice Exposed to Environmental Chemicals May Show Decreased Physical Activity in Their Offspring has been published on Technology Org.

 
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Scientists on Evidence of Water on Mars

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NASA scientists said Monday that they had found evidence of liquid water on Mars.










via New York Times

Super Blood Moon Photos: The Good and the Bad

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The combination of a supermoon and a lunar eclipse led to some striking photography, and some not-so-striking photography.










via New York Times

Turbulent Star-Birth Region Selection Print

Here's a great poster featuring a beautiful image from deep space


tagged with: hubble, nasa, stars, star, galaxy, galaxies, space, astronomy, telescope, beautiful, postcard, postcards, photos, photograph, gift, gifts, nebula, nature, landscapes

In commemoration of NASA's Hubble Space Telescope completing its 100,000th orbit in its 18th year of exploration and discovery, scientists at the Space Telescope Science Institute in Baltimore, Md., have aimed Hubble to take a snapshot of a dazzling region of celestial birth and renewal. Hubble peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered by a nearby supernova explosion. It lies about 170,000 light-years away near the Tarantula nebula, one of the most active star-forming regions in our Local Group of galaxies. The three-dimensional-looking image reveals dramatic ridges and valleys of dust, serpent-head "pillars of creation," and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars. The high-energy radiation blazing out from clusters of hot young stars already born in NGC 2074 is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas at center, bottom. In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our Sun and the nearest star, Alpha Centauri. The region is in the Large Magellanic Cloud (LMC), a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies. This representative color image was taken on August 10, 2008, with Hubble's Wide Field Planetary Camera 2. Red shows emission from sulfur atoms, green from glowing hydrogen, and blue from glowing oxygen. Source: NASA

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Liquid water flows on today's Mars: NASA confirms evidence

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New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars. Using an imaging spectrometer on MRO, researchers detected signatures of hydrated minerals on slopes where mysterious streaks are seen on the Red Planet. These darkish streaks appear to ebb and flow over time.
via Science Daily
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Signs of Liquid Water Found on Surface of Mars, Study Says

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Scientists looked to dark streaks that form each summer on the slopes of Martian mountains, craters and canyons.










via New York Times

11-year cosmic search leads to black hole rethink

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One hundred years since Einstein proposed gravitational waves as part of his general theory of relativity, an 11-year search performed with CSIRO's Parkes telescope has failed to detect them, casting doubt on our understanding of galaxies and black holes.

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How science can improve interrogation

Science Focus

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The release of the U.S. Senate Select Committee on Intelligence report on the CIA's detention and interrogation program documents the use of so-called enhanced interrogation techniques (EITs) against terrorism suspects detained by the agency.

The report concludes that the CIA program was more widespread and egregious than the American public — and Congressional oversight committees — had been led to believe. Not surprisingly, key findings in the report also call into question the claimed efficacy of EITs in eliciting reliable intelligence information.

As a research psychologist who has spent more than a decade assessing the effectiveness of various interview and interrogation methods, I regard release of the Senate report as a uniquely important event. It should encourage us to critically assess the ethical, legal, and scientific basis upon which the EIT program was based. Just as important, it should prompt us to consider how we devise our future interrogation practices.

An absence of scientific scrutiny

The report offers an opportunity for us to reflect upon the events that led to the use of EITs by the CIA, as well as the debate over their purported effectiveness.

While proponents claim these methods are necessary to compel uncooperative subjects to divulge critical information, critical analysis fails to justify their use.

From my perspective, EITs are ethically indefensible. Their use appears to violate both domestic and international law. Furthermore, no scientific assessment of the techniques can be offered to demonstrate their effectiveness in practice.

The report's first finding agreed — the "CIA's use of its enhanced interrogation techniques was not an effective means of acquiring intelligence or gaining cooperation from detainees." However, the debate between critics and proponents of the program continues, with both sides offering anecdotal evidence to support their claims.

The absence of (and need for) scientific scrutiny on this issue is obvious. Unfortunately, ethical issues once again pervade any such discussion. The ethical conduct of experimental research would preclude any responsible scientist from systematically assessing the CIA's "enhanced interrogation techniques".

How should one conduct interrogation?

A 2006 Intelligence Science Board concluded that the U.S. government's interrogation practices were largely devoid of any scientific validity.

In fact, existing research into current practices in the U.S. indicates that the use of an accusatorial approach — characterized by accusation, confrontation, and psychological manipulation — can produce false confessions if applied against innocent subjects.

In 2009, the Obama administration created the High-Value Detainee Interrogation Group (HIG), an inter-agency group comprising personnel from the FBI, CIA, and (Defense Intelligence Agency) DIA. The operational mission of the HIG was to conduct interrogations of high-value terrorism suspects. In addition, the HIG was also tasked with developing a research program to assess the effectiveness of current interrogation practices and to develop novel, science-based methods.

Since 2010, I have led a group of internationally renowned psychologists from the U.S., UK, Sweden, Australia, Southeast Asia, South Africa, and the Middle East to do just that. For the past four years, we have worked to develop new methods of intelligence interviewing and interrogation. This research is unclassified and is conducted with the oversight of Human Subjects Review Committees that protect the rights and welfare of study participants. Our group has produced more than 60 studies — from experimental research to interviews and surveys of interrogation professionals and systematic analysis of specific criminal and counterterrorist interrogation interviews.

These studies assess the importance of social relationships, active listening, and personal rapport in extracting information. They have developed methods that enhance memory recall and evaluate what kind of questioning can help an interrogator judge whether a suspect is telling the truth or not. They look at the impact of the interrogation context (how should we set up the interrogation room?), and the role of culture and language (including the influence of interpreters).

We are working with U.S. military, intelligence, and law enforcement agencies to introduce science-based methods into their formal training programs. The good news is that these methods are now being taught to U.S. government personnel.

Our findings clearly show that interrogation strategies that are based on building rapport and seek to understand a suspect's motivation to cooperate are more effective than accusatory practices that look to raise anxiety levels, fabricate evidence, and minimize a suspect's perception of their own culpability. This conclusion is confirmed by the experiences of many highly skilled interrogators. Further, the "information gathering approach," as it is known, preserves the ethical principles of fairness and justice and is legally permissible.

A complete description of the implications of this research is too detailed to be included here. However, the results of our efforts are available to both the scientific and professional communities. Studies conducted by our researchers are being published in peer-reviewed journals and presented at both academic and professional meetings. A new publication, Interrogation: Expanding the Frontiers of Research and Practice, shares our findings with interrogation professionals, U.S. government trainers, and the public.

Our research program represents only the beginning of what is possible. Medicine and education have turned to researchers for the development of evidence-based approaches. It is time that the practice of interrogation be similarly informed by scientific scrutiny.

The Conversation

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 » see original post http://theweek.com/articles/441551/how-science-improve-interrogation
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No sign of safety risks with longterm pot use for chronic pain

Science Focus

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While the medical use of cannabis has expanded, there's little data available regarding its safety. Although the drug has been used (recreationally and medically) by humans going back far into prehistory, it was criminalized by the time researchers began conducting rigorous clinical trials. Consequently, almost every news story one reads about the use of cannabis as a medical therapy contains some variation of disclaimer saying "more research is needed" into the longterm safety of medical cannabis use.

Now a tiny bit of that "more research" has been published in the Journal of Pain. The headline result was that there was no increase in the number of serious adverse events in a group that used cannabis for chronic pain when compared to a group that did not. As the authors point out in the paper, the "lack of data on the safety and efficacy of cannabis is a major barrier to physicians' involvement [in prescribing medical cannabis]."

The study was conducted in Canada between 2004 and 2008. It followed 431 chronic pain patients for a year in order to assess the rates of adverse events, pulmonary effects, and neurocognitive function. The patients were divided into a group that used cannabis to treat that chronic pain (n=215) as well a control group that didn't (n=216). A key strength of the work is that it was a prospective study; the participants were chosen before they started the treatment plan.

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 » see original post http://arstechnica.com/science/2015/09/no-sign-of-safety-risks-with-long-term-pot-use-for-chronic-pain/
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Using ultrasound to clean medical instruments

Science Focus

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Researchers from the University of Southampton have demonstrated how a pioneering ultrasonic device can significantly improve the cleaning

The post Using ultrasound to clean medical instruments has been published on Technology Org.

 
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 » see original post http://feedproxy.google.com/~r/TechnologyOrgPhysicsNews/~3/aePJLtqMslw/
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Monogram Omega Nebula - Our Amazing Universe Oval Sticker

Here's a great sheet of stickers featuring a beautiful image from deep space


tagged with: awesome astronomy images, omgneb, star forming regions, ngc 6618, omega nebula, inspirational, heavens, uplifting, initials, monogrammed, messier 17, european southern observatory, eso, vista, initialled, monogram, monograms

Galaxies, Stars and Nebulae series A great outer space picture featuring a three-colour composite image of the Omega Nebula (Messier 17, or NGC 6618), based on images obtained with the EMMI instrument on the ESO 3.58-metre New Technology Telescope at the La Silla Observatory. North is down and East is to the right in the image. It spans an angle equal to about one third the diameter of the Full Moon, corresponding to about 15 light-years at the distance of the Omega Nebula. The three filters used are B (blue), V ("visual", or green) and R (red).

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image code: omgneb

ESO/J. Emerson/VISTA www.eso.org
Reproduced under the Creative Commons Attribution 3.0 Unported license.

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Keeping cells in good shape

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The Cell Shape and Expression, or Cytospace, investigation examined how physical forces -- including shear stress, stiffness, surface tension, and gravity -- change the relationships among these proteins, interfering with cell architecture and changing the geometric form, or shape, of the cell.
via Science Daily
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Total Lunar Eclipse over Waterton Lake

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How Rosetta’s comet got its shape

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Two comets collided at low speed in the early Solar System to give rise to the distinctive ‘rubber duck’ shape of Comet 67P/Churyumov–Gerasimenko, say Rosetta scientists.


via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Rosetta/How_Rosetta_s_comet_got_its_shape

Cosmic Stars Room Graphics

Here's a great wall decal featuring a beautiful image from deep space


tagged with: cosmos theme, space, cool, nebula, galaxy, plasma, universe, astronomy

Cosmic Stars, Cosmos Custom And Personalised Product. Great For Any Space Lover.

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NGC 602 bright stars Cover For The iPad Mini

Here's a great iPad case from Zazzle featuring a Hubble-related design. Maybe you'd like to see your name on it? Click to personalize and see what it's like!


tagged with: nasa, space, astronomy, shuttle, hubble, bright, star, starry, blue, nebula

NGC 602 is a young, bright open cluster of stars located in the Small Magellanic Cloud (SMC), a satellite galaxy to the Milky Way. Radiation and shock waves from the stars have pushed away much of the lighter surrounding gas and dust that compose the nebula known as N90, and this in turn has triggered new star formation in the ridges (or "elephant trunks") of the nebula.

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When black holes collide

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Space science image of the week: A simulation of gravitational radiation rippling away from a pair of colliding black holes
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2015/09/If_our_eyes_could_see_gravitational_waves

Super Blood Moon Makes Rare Appearance

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A rare astronomical phenomenon produced a moon that appeared slightly bigger than usual and had a reddish hue.










via New York Times

New findings help explain how molecules are speedily transported into and out of the cell’s nucleus

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A cell does everything it can to protect its nucleus, where precious genetic information is stored. That includes

The post New findings help explain how molecules are speedily transported into and out of the cell's nucleus has been published on Technology Org.

 
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Super Blood Moon Makes a Rare Appearance

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A rare astronomical phenomenon produced a moon that appeared slightly bigger than usual and had a reddish hue.










via New York Times