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COVID-19 coronavirus epidemic has a natural origin Date: March 17, 2020 Source: Scripps Research Institute Summary: An analysis of public genome sequence data from SARS-CoV-2 and related viruses found no evidence that the virus was made in a laboratory or otherwise engineered. Share: The novel SARS-CoV-2 coronavirus that emerged in the city of Wuhan, China, last year and has since caused a large s
Single gene turns colorectal cancer cells back into normal tissue in mice Date: June 18, 2015 Source: Cell Press Summary: Anti-cancer strategies generally involve killing off tumor cells. However, cancer cells may instead be coaxed to turn back into normal tissue simply by reactivating a single gene. Researchers found that restoring normal levels of a human colorectal cancer gene in mice stopped t
Children exposed to multiple languages may be better natural communicators Date: May 11, 2015 Source: University of Chicago Summary: Young children who hear more than one language spoken at home become better communicators, a new study finds. Share: Young children who hear more than one language spoken at home become better communicators, a new study from University of Chicago psychologists finds.
Lucid dreams and metacognition: Awareness of thinking; awareness of dreaming Date: January 23, 2015 Source: Max-Planck-Gesellschaft Summary: To control one's dreams and to live 'out there' what is impossible in real life -- a truly tempting idea. Some persons -- so-called lucid dreamers -- can do this. Researchers have discovered that the brain area which enables self-reflection is larger in lucid
Food affected by Fukushima disaster harms animals, even at low-levels of radiation, study shows Date: September 23, 2014 Source: BioMed Central Summary: Butterflies eating food collected from cities around the Fukushima nuclear meltdown site showed higher rates of death and disease, according to a study. "Our study demonstrated that eating contaminated foods could cause serious negative effects on
Solar energy that doesn't block the view Date: August 19, 2014 Source: Michigan State University Summary: Researchers have developed a new type of solar concentrator that when placed over a window creates solar energy while allowing people to actually see through the window. It is called a transparent luminescent solar concentrator and can be used on buildings, cell phones and any other device tha
WPA2 wireless security cracked Date: March 20, 2014 Source: Inderscience Summary: There are various ways to protect a wireless network. Some are generally considered to be more secure than others. Some, such as WEP (Wired Equivalent Privacy), were broken several years ago and are not recommended as a way to keep intruders away from private networks. Now, a new study reveals that one of the previou
Alternative way to explain life's complexity proposed Date: April 12, 2013 Source: National Evolutionary Synthesis Center (NESCent) Summary: Evolution skeptics argue that some biological structures, like the eye, are too complex for natural selection to explain. Biologists have proposed various ways that so-called "irreducibly complex" structures could emerge incrementally over time. But a new stu
Empathy represses analytic thought, and vice versa: Brain physiology limits simultaneous use of both networks Date: October 30, 2012 Source: Case Western Reserve University Summary: When the brain's analytic network is engaged, our ability to appreciate the human cost of our action is repressed, researchers have found. The study shows for the first time that we have a built-in neural constraint on
Study of giant viruses shakes up tree of life Date: September 13, 2012 Source: University of Illinois at Urbana-Champaign Summary: A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family tree, adding a fourth major branch to the three that most sci
Why women choose bad boys: Ovulating women perceive sexy cads as good dads Date: May 14, 2012 Source: University of Texas at San Antonio College of Business Summary: Nice guys do finish last at least when it comes to procreation, according to a new study that answers the question of why women choose bad boys. New research has demonstrated that hormones associated with ovulation influence women's p
Early human ancestors had more variable diet Date: August 8, 2012 Source: University of the Witwatersrand Summary: New research sheds more light on the diet and home ranges of early hominins belonging to three different genera, notably Australopithecus, Paranthropus and Homo -- that were discovered at sites such as Sterkfontein, Swartkrans and Kromdraai in the Cradle of Humankind, about 50 kilomet
Neuroscientists identify how the brain works to select what we (want to) see Date: February 21, 2012 Source: Carnegie Mellon University Summary: If you are looking for a particular object -- say a yellow pencil -- on a cluttered desk, how does your brain work to visually locate it? For the first time, neuroscientists have identified how different neural regions communicate to determine what to vis
'Counterfactual' thinkers are more motivated and analytical, study suggests Date: February 9, 2010 Source: University of California, Berkeley / Haas School of Business Summary: Counterfactual thinking -- considering a "turning point" moment in the past and alternate universes had it not occurred -- heightens one's perception of the moment as significant, and even fated, according to a new study. A
Gonorrhea acquires a piece of human DNA: First evidence of gene transfer from human host to bacterial pathogen Date: February 14, 2011 Source: Northwestern University Summary: Researchers have discovered the first evidence of a fragment of human DNA in a bacterium -- in this case gonorrhea. Research showed the gene transfer appears to be a recent evolutionary event. The discovery offers insight in
Writing by hand strengthens the learning process. When typing on a keyboard, this process may be impaired. Associate professor Anne Mangen at the University of Stavanger's Reading Centre asks if something is lost in switching from book to computer screen, and from pen to keyboard. The process of reading and writing involves a number of senses, she explains. When writing by hand, our brain receives
'Hobbit' was an iodine-deficient human, not another species, new study suggests Date: September 28, 2010 Source: University of Western Australia Summary: A new paper is set to re-ignite debate over the origins of so-called Homo floresiensis -- the 'hobbit' that some scientists have claimed as a new species of human. Researchers have reconfirmed their original finding on the skull that Homo floresi
Brain's wiring: More like the Internet than a pyramid? Date: August 10, 2010 Source: University of Southern California Summary: Neuroscientists have traced circuits in part of the rat brain and find no sign of a top-down hierarchy. The distributed network of the Internet may be a better model, they say. Share: The brain has been mapped to the smallest fold for at least a century, but still no one
Many English speakers cannot understand basic grammar Date: July 6, 2010 Source: Northumbria University Summary: Research into grammar suggests that a significant proportion of native English speakers are unable to understand some basic sentences. The findings - which undermine the assumption that all speakers have a core ability to use grammatical cues - could have significant implications for ed
Dopamine system in highly creative people similar to that seen in schizophrenics, study finds Date: May 19, 2010 Source: Karolinska Institutet Summary: New research shows a possible explanation for the link between mental health and creativity. By studying receptors in the brain, researchers in Sweden have managed to show that the dopamine system in healthy, highly creative people is similar in so
New research rejects 80-year theory of 'primordial soup' as the origin of life Date: February 3, 2010 Source: Wiley-Blackwell Summary: For 80 years it has been accepted that early life began in a "primordial soup" of organic molecules before evolving out of the oceans millions of years later. Today the "soup" theory has been overturned in a pioneering article which claims it was the Earth's chemic
His or hers jealousy? New explanation for sex differences in jealousy Date: January 31, 2010 Source: Association for Psychological Science Summary: Research has documented that most men become much more jealous about sexual infidelity than they do about emotional infidelity. Women are the opposite, and this is true all over the world. Share: When South Carolina Governor Mark Sanford was caught red
Newly explored bacteria reveal some huge RNA surprises Date: December 7, 2009 Source: Yale University Summary: Researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells or allowing genes to "jump" to different parts of the chromosome. Share: Yale University researchers have found very
A new study by the University of East Anglia (UEA) suggests computers are now better at lip-reading than humans. A research team from the School of Computing Sciences at UEA compared the performance of a machine-based lip-reading system with that of 19 human lip-readers. They found that the automated system significantly outperformed the human lip-readers – scoring a recognition rate of 80 per cen
Bacteria Used To Make Radioactive Metals Inert Date: September 9, 2009 Source: University of Missouri-Columbia Summary: The Lost Orphan Mine below the Grand Canyon hasn't produced uranium since the 1960s, but radioactive residue still contaminates the area. Cleaning the region takes an expensive process that is only done in extreme cases, but a biochemistry professor is researching the use of sulf
Facial Expressions Show Language Barriers, Too Date: August 16, 2009 Source: Cell Press Summary: People from East Asia tend to have a tougher time than those from European countries telling the difference between a face that looks fearful versus surprised, disgusted versus angry, and now a new report explains why. Rather than scanning evenly across a face as Westerners do, Easterners fixate their
Solar Variability: Striking A Balance With Climate Change Date: May 12, 2008 Source: National Aeronautics and Space Administration Summary: The sun has powered almost everything on Earth since life began, including its climate. The sun also delivers an annual and seasonal impact, changing the character of each hemisphere as Earth's orientation shifts through the year. Since the Industrial Revoluti
Drinking Water From Air Humidity Date: June 8, 2009 Source: Fraunhofer-Gesellschaft Summary: Not a plant to be seen, the desert ground is too dry. But the air contains water, and research scientists have found a way of obtaining drinking water from air humidity. The system is based completely on renewable energy and is therefore autonomous. Share: Not a plant to be seen, the desert ground is too d
Drinking Very Hot Tea Can Increase The Risk Of Throat Cancer Date: March 28, 2009 Source: BMJ-British Medical Journal Summary: People are advised to wait a few minutes before drinking a cup of freshly-boiled tea today as a new study finds that drinking very hot tea (70 degrees C or more) can increase the risk of cancer of the esophagus, the muscular tube that carries food from the throat to the st
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