Science & Technology
Despite their considerable differences, the atmospheres of Earth, Jupiter, and Saturn all display a remarkably similar phenomenon in their equatorial regions: vertical, cyclical, downwards-moving patterns of alternating temperatures and wind systems that repeat over a period of multiple years.
Getting there isn't the problem; we already have the rocket technology to get us well past Mars. The question lies in the ability of colonists to actually sustain themselves once safely on the Martian surface. Luckily, several studies published over the past year have given hope to the starry-eyed visionaries who believe we are on the verge of being able to colonize the Red Planet. First, an experiment concluded that potatoes can grow in simulated Martian soil under high-pressure, low-oxygen conditions, lending hope that the starchy staple crop could be grown by Mars colonists.
Another study by a team of Dutch scientists found that crops grown in (simulated) Martian soil are safe to eat. Now, a new crowdfunded study by those same scientists at Wageningen University & Research in the Netherlands claims that earthworms can survive and even reproduce in Martian soil.
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Bubbly magma in laboratory used as starting material for the viscosity experiments.
The transition between these eruptions represents one of the most dangerous natural hazards.
Understanding the mechanisms governing such transition has inspired countless studies in Earth Sciences over the last decades.
In a new study led by Dr Danilo Di Genova, from the University of Bristol's School of Earth Sciences, an international team of scientists provide evidence, for the first time, that a subtle tipping point of the chemistry of magmas clearly separates effusive from explosive eruptions worldwide.
Moreover, they demonstrate that variabilities at the nanoscale of magmas can dramatically increase the explosive potential of volcanoes.
Dr Di Genova said: "The new experimental data, thermodynamic modelling and analysis of compositional data from the global volcanic record we presented in our study provide combined evidence for a sudden discontinuity in the flow behaviour of rhyolitic magmas that guides whether a volcano erupts effusively or explosively.
"The identified flow-discontinuity can be crossed by small compositional changes in rhyolitic magmas and can be induced by crystallisation, assimilation, magma replenishment or mixing.
If this all sounds a little familiar, that's because it is. Think Michael Crichton's classic '90s bestseller 'Jurassic Park' and its sequels, which spawned a series of blockbusters by Steven Spielberg.
In the books and films, eccentric theme park owner and dinosaur buff John Hammond, played by Richard Attenborough, clones a number of dinosaurs by extracting their DNA from a mosquito encased in ancient amber, predictably disaster ensues.
Not that these actual scientists have any illusions of that particular outcome materialising. "It seems that modern techniques are unable to extract DNA, or at least sufficiently well-preserved DNA, from amber inclusions (organisms trapped in amber)," study author Ricardo Pérez-de la Fuente said, according to Reuters. "DNA does not stand the passing of time, of millions of years, when entombed in amber."
Freud's theories have been widely criticized as unscientific, and treatment of mental disorders has increasingly turned to psychotropic medications and effective therapies like cognitive behavioral therapy (CBT).
Freud's impact on 20th century thought is undeniable, but he got almost everything wrong. He was not only not scientific; he was a liar and a fraud. A new book, Freud: The Making of an Illusion, by Frederick Crews, may put the final nail in his coffin.
Crews had access to material not available to previous biographers. The extensive early correspondence between Freud and his fiancée, Martha Bernays, has only recently been released, and it is very revealing of Freud's character flaws, his sexist attitudes, and his regular use of cocaine.
Freud was trained as a scientist, but he went astray, following wild hunches, willfully descending into pseudoscience, covering up his mistakes, and establishing a cult of personality that long outlived him.
His early work in science was scattershot and lacked follow-through. He "deftly criticized premature conclusions reached by others but never crucially tested any of his own hypotheses." He was lazy, reluctant to collect enough evidence to make sure a finding was not an anomaly; he generalized from single cases, even using himself as the single case. In an early article "On Coca" he demonstrated poor scholarship, omitting crucial references, citing references from another bibliography without reading them, and making careless errors (misstating names, dates, titles, and places of publication).
Although fish senses aren't usually a consideration when they're on a plate, researchers now know that deafness in farmed salmon is due to a deformity in the ear, caused by accelerated growth in aquaculture.
The findings, published in the Journal of Experimental Biology, raise significant welfare issues and may also explain the poor survival of farmed hatchlings in conservation programs.
Scientists from the University of Melbourne looked at salmon farmed in Norway, Chile, Scotland, Canada and Australia and found the deformity was widespread.
The study's lead author, Ms Tormey Reimer, says when they went looking for the cause of the deformity they found that the fastest-growing fish were three times more likely to be afflicted than the slowest, even at the same age.
The emerging field of cyberbiosecurity explores the whole new category of risks that come with the increased use of computers in the life sciences.
University scientists, industry stakeholders and government agents have begun gathering to discuss these threats. We've even hosted FBI agents from the Weapons of Mass Destruction Directorate here at Colorado State University and previously at Virginia Tech for crash courses on synthetic biology and the associated cyberbiosecurity risks. A year ago, we participated in a U.S. Department of Defense-funded project to assess the security of biotechnology infrastructures. The results are classified, but we disclose some of the lessons learned in our new Trends in Biotechnology paper.
According to research led by Anthony Bogaert at Brock University in Canada, women who become pregnant with boys also develop antibodies that specifically target a protein that is made by the Y chromosome - one of the two sex chromosomes in mammals.
The study, titled "Male Homosexuality and Maternal Immune Responsivity to the Y-Linked Protein NLGN4Y," was published Monday in the Proceedings of the National Academy of Sciences journal.
- Solar modulation of GCR [Galactic Cosmic Rays] is translated down to the Earth climate.
- The mediator of solar influence are energetic particles.
- GCR impacts the O3 [ozone] budget in the lower stratosphere.
- O3 influences the temperature and humidity near tropopause, and greenhouse effect.
- Effectiveness of this mechanism depends on geomagnetic field intensity.
"In this paper we show that bi-decadal variability of solar magnetic field, modulating the intensity of galactic cosmic ray (GCR) at the outer boundary of heliosphere, could be easily tracked down to the Earth's surface. The mediator of this influence is the lower stratospheric ozone, while the mechanism of signal translation consists of: (i) GCR impact on the lower stratospheric ozone balance; (ii) modulation of temperature and humidity near the tropopause by the ozone variations; (iii) increase or decrease of the greenhouse effect, depending on the sign of the humidity changes. The efficiency of such a mechanism depends critically on the level of maximum secondary ionisation created by GCR (i.e. the Pfotzer maximum) − determined in turn by heterogeneous Earth's magnetic field..."The paper adds to over 100 potential solar amplification mechanisms described in the literature.
The discovery was made by researcher Michael Myng who found the keylogging code in the pre-installed Synaptics Touchpad software on HP laptops.
Keyloggers record every key that is pressed on a keyboard. This means HP laptop users are at risk of having their passwords, bank details, private communications and search history recorded without their knowledge. The keylogger is disabled by default but there's risk it can be enabled by a hacker.














Comment: See also: Extinct 'hell ant' with metal horns & trap jaw found inside amber (PHOTOS)