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Friday, April 13, 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Athletic frogs have faster-changing genomes

Posted: 12 Apr 2012 03:23 PM PDT

Physically fit frogs have faster-changing genomes, says a new study of poison frogs. Stretches of DNA accumulate changes over time, but the rate at which those changes build up varies considerably between species, researchers say.

Engineered stem cells seek out and kill HIV in living mice

Posted: 12 Apr 2012 03:22 PM PDT

Expanding on previous research providing proof-of-principal that human stem cells can be genetically engineered into HIV-fighting cells, a team of researchers have now demonstrated that these cells can actually attack HIV-infected cells in a living organism.

Excessive worrying may have co-evolved with intelligence

Posted: 12 Apr 2012 12:30 PM PDT

Worrying may have evolved along with intelligence as a beneficial trait, according to scientists who found that high intelligence and worry both correlate with brain activity measured by the depletion of the nutrient choline in the subcortical white matter of the brain. According to the researchers, this suggests that intelligence may have co-evolved with worry in humans.

First-ever model simulation of the structuring of the observable universe

Posted: 12 Apr 2012 10:30 AM PDT

Astronomers have performed the first-ever computer model simulation of the structuring of the entire observable universe, from the Big Bang to the present day. The simulation has made it possible to follow the evolution of 550 billion particles. This simulation, along with the two additional runs expected by late May 2012, will provide outstanding support for future projects dedicated to the observation and mapping of the universe. These simulations will shed light on the nature of dark energy and its effects on cosmic structure formation, and hence on the distribution of dark matter and galaxies in the universe.

Listen up, parents: For toddlers (and chimps), the majority rules

Posted: 12 Apr 2012 09:13 AM PDT

A new study offers some news for parents: even toddlers have a tendency to follow the crowd. That sensitivity isn't unique to humans either; chimpanzees also appear more likely to pick up habits if "everyone else is doing it."

Under climate change, winners and losers on the coral reef

Posted: 12 Apr 2012 09:13 AM PDT

As ocean temperatures rise, some species of corals are likely to succeed at the expense of others, according to a new report that details the first large-scale investigation of climate effects on corals.

Discovery of the Musket Ball Cluster, a system of colliding galaxy clusters

Posted: 12 Apr 2012 08:37 AM PDT

Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched apart from dark matter through a violent collision between two galaxy clusters.

Dusty disc of crushed comets around a nearby star caused by collisions with thousands of comets a day

Posted: 12 Apr 2012 07:57 AM PDT

Astronomers have studied a ring of dust around the nearby star Fomalhaut and have deduced that it is created by the collision of thousands of comets every day.

Do monkeys know what others need?

Posted: 12 Apr 2012 07:55 AM PDT

If you have seen a child just eat an entire ice-cream, and she begs you to buy her one, what will your reaction be? Researchers asked if monkeys understand the physical needs of others. In order to provide help or share food, it would be useful for them to know what others want or need.

Workings of nearby planetary system revealed

Posted: 12 Apr 2012 07:55 AM PDT

A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system and provided valuable clues about how such systems form and evolve. Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered that planets orbiting the star Fomalhaut must be much smaller than originally thought. This is the first published science result from ALMA in its first period of open observations for astronomers worldwide.

Astronomer finds evidence for record-breaking nine planet system

Posted: 12 Apr 2012 07:55 AM PDT

The planetary system around the star named HD 10180 may have more planets in its orbits than our own solar system. Located 130 light years away, the star is not within reach of foreseeable human space travel, but in astronomical distances, it is still considered to be in the solar neighborhood.

Artificial photosynthesis breakthrough: Fast molecular catalyzer

Posted: 12 Apr 2012 07:54 AM PDT

Researchers have constructed a molecular catalyzer that can oxidize water to oxygen very rapidly. In fact, these scientists have managed to reach speeds approximating those of natural photosynthesis. The speed with which natural photosynthesis occurs is about 100 to 400 turnovers per seconds. Scientists have now reached over 300 turnovers per seconds with their artificial photosynthesis. The research findings play a critical role for the future use of solar energy and other renewable energy sources.

'Time machine' will study the early universe

Posted: 11 Apr 2012 01:16 PM PDT

A new scientific instrument, a "time machine" of sorts, built by astronomers, will study the earliest galaxies in the universe, which could never be studied before.

ScienceDaily: Strange Science News

ScienceDaily: Strange Science News


Athletic frogs have faster-changing genomes

Posted: 12 Apr 2012 03:23 PM PDT

Physically fit frogs have faster-changing genomes, says a new study of poison frogs. Stretches of DNA accumulate changes over time, but the rate at which those changes build up varies considerably between species, researchers say.

Excessive worrying may have co-evolved with intelligence

Posted: 12 Apr 2012 12:30 PM PDT

Worrying may have evolved along with intelligence as a beneficial trait, according to scientists who found that high intelligence and worry both correlate with brain activity measured by the depletion of the nutrient choline in the subcortical white matter of the brain. According to the researchers, this suggests that intelligence may have co-evolved with worry in humans.

Endangered bats find sanctuary in Israeli 'ghost bunkers'

Posted: 12 Apr 2012 10:31 AM PDT

Abandoned army bunkers along a 60 mile stretch of land in the north of Israel have new tenants, according to a Tel Aviv University researcher -- 12 indigenous bat species, including three already designated as endangered, have moved into the shelters and are flourishing.

Caterpillars more likely to vomit alone

Posted: 12 Apr 2012 09:48 AM PDT

A type of caterpillar which defends itself by regurgitating on its predators is less likely to do so when in groups than when alone, a new study has found.

Listen up, parents: For toddlers (and chimps), the majority rules

Posted: 12 Apr 2012 09:13 AM PDT

A new study offers some news for parents: even toddlers have a tendency to follow the crowd. That sensitivity isn't unique to humans either; chimpanzees also appear more likely to pick up habits if "everyone else is doing it."

Do I look bigger with my finger on a trigger? Yes, says study

Posted: 11 Apr 2012 05:54 PM PDT

Anthropologists asked hundreds of Americans to guess the size and muscularity of four men based solely on photographs of their hands holding a range of ordinary objects, including handguns. The research confirmed what scrawny thugs have long known: brandishing a weapon makes a man appear bigger and stronger than he would otherwise. The findings suggest an unconscious mechanism that could misguide people about the magnitude of physical threats.

Key to new antibiotics could be deep within isolated cave

Posted: 11 Apr 2012 05:54 PM PDT

Researchers discovered a remarkable prevalence of antibiotic resistance bacteria isolated from Lechuguilla Cave in New Mexico, one of the deepest and largest caves in the world and a place isolated from human contact for more than four million years.

Pigeons' homing skill not due to iron-rich beak: Cells cannot sense magnetic fields

Posted: 11 Apr 2012 10:20 AM PDT

The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproven by a new study.

The Cynical Girl: Reactive Listening

The Cynical Girl: Reactive Listening

Link to The Cynical Girl

Reactive Listening

Posted: 12 Apr 2012 03:45 AM PDT

My good friend Jennifer McClure just returned from the SHRM New Mexico state conference where she saw Mike Jones give an excellent keynote speech. She told me all about it — but funny enough, I was only listening to half of what she was saying because an article of mine had just been rejected by the Harvard Business Review.

Dang. Apparently, I read the request for an article but only wrote half of what they needed. Because that’s how I roll — incomplete. Ugh. Such an amateur move. I was busy. I was distracted. I thought to myself, “I’ve written this kind of article a million times. Easy peasy.”

Funny how people expect you to pay attention, which is exactly what Jen was trying to tell me. I snapped back to reality when she Jen described Mike’s speech. I guess he talked about the difference between active and reactive listening. What’s the difference? You’re not stupid. You can figure it out. Reactive listening is assuming the question and having the answer ready before you’ve even been asked anything. (Or something like that. Shit. Busted. Next time I’ll take notes, JM.)

Anyway — when it comes to reactive listening, I do that all. of. the. time.

Part of it is confidence — and I have learned to be confident from the best. I once worked with a CEO who said, “When you’re talking, I’m not.”

And I recently spent some time with a Chief Medical Officer who told me that it took him many years to realize that other people were allowed to talk in a meeting, too.

Men like that have power. They can command a room. But they also have a high percentage of being right. You are allowed to be arrogant and ignore people if you nail it each. and. every. time.

In the case of Harvard Business Review, I did not nail it. In fact, I bombed.

Dang. Oh well. Onward. They’ve given me another chance to be awesome. And I read the scope of the request and thought — I can do this. In my sleep.

Although I’ll hold off on being arrogant — and being reactionary — until after the article is published.

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


NASA's WISE mission sees skies ablaze with blazars

Posted: 12 Apr 2012 04:27 PM PDT

Astronomers are actively hunting a class of supermassive black holes throughout the universe called blazars thanks to data collected by NASA's Wide-field Infrared Survey Explorer (WISE). The mission has revealed more than 200 blazars and has the potential to find thousands more.

First-ever model simulation of the structuring of the observable universe

Posted: 12 Apr 2012 10:30 AM PDT

Astronomers have performed the first-ever computer model simulation of the structuring of the entire observable universe, from the Big Bang to the present day. The simulation has made it possible to follow the evolution of 550 billion particles. This simulation, along with the two additional runs expected by late May 2012, will provide outstanding support for future projects dedicated to the observation and mapping of the universe. These simulations will shed light on the nature of dark energy and its effects on cosmic structure formation, and hence on the distribution of dark matter and galaxies in the universe.

Discovery of the Musket Ball Cluster, a system of colliding galaxy clusters

Posted: 12 Apr 2012 08:37 AM PDT

Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched apart from dark matter through a violent collision between two galaxy clusters.

Dusty disc of crushed comets around a nearby star caused by collisions with thousands of comets a day

Posted: 12 Apr 2012 07:57 AM PDT

Astronomers have studied a ring of dust around the nearby star Fomalhaut and have deduced that it is created by the collision of thousands of comets every day.

New frontier: Chips transfer data at light speed

Posted: 12 Apr 2012 07:55 AM PDT

The computer industry is nearing a crisis: microchips  get smaller and faster but they struggle to transfer data at sufficient speeds.  Electrons flowing through standard chip connections are just too slow. Now researchers have shown how chips with built-in lasers which use multiple wavelengths of light could in the future transmit data at terabit speeds.

Workings of nearby planetary system revealed

Posted: 12 Apr 2012 07:55 AM PDT

A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system and provided valuable clues about how such systems form and evolve. Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered that planets orbiting the star Fomalhaut must be much smaller than originally thought. This is the first published science result from ALMA in its first period of open observations for astronomers worldwide.

Astronomer finds evidence for record-breaking nine planet system

Posted: 12 Apr 2012 07:55 AM PDT

The planetary system around the star named HD 10180 may have more planets in its orbits than our own solar system. Located 130 light years away, the star is not within reach of foreseeable human space travel, but in astronomical distances, it is still considered to be in the solar neighborhood.

New method for continuous production of carbon nanotubes

Posted: 12 Apr 2012 07:51 AM PDT

A new method is capable of reducing the price of carbon nanotubes from $100 - $700 US to just $15 to $35 US for each gram, much lower than world market prices.

Nanomaterials: Making a bluer light

Posted: 12 Apr 2012 07:51 AM PDT

A new design for nanoparticles that absorb low-energy light and emit high-energy light may find use in biological imaging.

Nanomaterials: Surrounding effects

Posted: 12 Apr 2012 07:50 AM PDT

The dissipation of energy from a vibrating gold nanoparticle is strongly influenced by the surrounding environment, new research shows.

Novel coding technique holds promise for next-generation computers

Posted: 12 Apr 2012 07:50 AM PDT

A pioneering error correction technique holds promise for the development of next-generation computers.

Dreamworks Physical Production Head Steve Molen Resigns


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