Whats New in Science These Days?
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Brain decoding: Reading minds

Brain decoding: Reading minds | Whats New in Science These Days? | Scoop.it
By scanning blobs of brain activity, scientists may be able to decode people's thoughts, their dreams and even their intentions.
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Bibliometrics: Global gender disparities in science

Bibliometrics: Global gender disparities in science | Whats New in Science These Days? | Scoop.it
Cassidy R. Sugimoto and colleagues present a bibliometric analysis confirming that gender imbalances persist in research output worldwide.
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Classifying Stars by their Sound? :)

Classifying Stars by their Sound? :) | Whats New in Science These Days? | Scoop.it
Surface gravity is a basic stellar property, but it is difficult to measure accurately, with typical uncertainties of 25 to 50 per cent if measured spectroscopically and 90 to 150 per cent if measured photometrically.
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Hubble Sees Evidence of Water Vapor at Jupiter Moon - NASA Jet Propulsion Laboratory

Hubble Sees Evidence of Water Vapor at Jupiter Moon - NASA Jet Propulsion Laboratory | Whats New in Science These Days? | Scoop.it
NASA's Hubble Space Telescope has observed water vapor above the frigid south polar region of Jupiter's moon Europa
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Studying Mothers' Blood to detect Fetal Well Being.

Hypoxia in utero can lead to stillbirth and severe perinatal injury. While current prenatal tests can identify fetuses that are hypoxic, none can determine the severity of hypoxia/acidemia.
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Have you ever seen an atom?

Scientists at the University of California Los Angeles have found a way to create stunningly detailed 3D reconstructing of platinum nanoparticles at an atomi...
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Harvesting electricity: Triboelectric generators capture wasted power

Harvesting electricity: Triboelectric generators capture wasted power | Whats New in Science These Days? | Scoop.it
Researchers are developing a family of generators that provide power for portable electronic devices and sensors by harnessing the triboelectric effect to capture mechanical energy that would otherwise be wasted.
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Coldest spot on Earth identified: Yes You Guessed it Right: Its in Antarctica: Minus 93.2 Celcius (-135.8F)

Coldest spot on Earth identified: Yes You Guessed it Right: Its in Antarctica: Minus 93.2 Celcius (-135.8F) | Whats New in Science These Days? | Scoop.it
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Simulations back up theory that Universe is a hologram

Simulations back up theory that Universe is a hologram | Whats New in Science These Days? | Scoop.it
A ten-dimensional theory of gravity makes the same predictions as standard quantum physics in fewer dimensions.
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Countdown to zero: New 'zero-dimensional' carbon nanotube may lead to superthin electronics and synthetic cells

Countdown to zero: New 'zero-dimensional' carbon nanotube may lead to superthin electronics and synthetic cells | Whats New in Science These Days? | Scoop.it
(Phys.org) —Synthetic, man-made cells and ultrathin electronics built from a new form of 'zero-dimensional' carbon nanotube may be possible through research at the University of Pittsburgh Swanson School of Engineering.
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Cosmic Methanol confirms mass ratio between proton and electron has remained constant over 7.5 billion years.

Cosmic Methanol confirms mass ratio between proton and electron has remained constant over 7.5 billion years. | Whats New in Science These Days? | Scoop.it
(Phys.org) —A research team led by FOM workgroup leader Prof. Dr. Wim Ubachs and Dr. Rick Bethlem has once again demonstrated that the mass ratio between electrons and protons has remained the same over the past 7.5 billion years.
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Mars Radiation Risk 'Manageable' for Human Missions : DNews

Mars Radiation Risk 'Manageable' for Human Missions : DNews | Whats New in Science These Days? | Scoop.it
The risk of radiation exposure is not a show-stopper for a long-term manned mission to Mars, new results from NASA's Curiosity rover suggest.

A mission consisting of a 180-day cruise to Mars, a 500-day stay on the Red Planet and a 180-day return flight to Earth would expose astronauts to a cumulative radiation dose of about 1.01 sieverts, measurements by Curiosity's Radiation Assessment Detector (RAD) instrument indicate.

To put that in perspective: The European Space Agency generally limits its astronauts to a total career radiation dose of 1 sievert, which is associated with a 5-percent increase in lifetime fatal cancer risk.

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Dancing Proteins: Cell Membrane Transporter Motion May Revolutionize Drug Therapies

Professor Emad Tajkhorshid and his collaborators have successfully simulated the molecular dance moves that a multidrug resistance membrane transporter undergoes"

Sudheendra Rao, MD-PhD's insight:

Membrane transporters are proteins that actively pump molecules against concentration gradients. So far we know the starting and ending stage of these molecules. Intermediate stages have not been studied-so far. Here researchers use structural modelling-simulations and energy minimization process to simulate its transition during pumping. They see that the transition is multiphasic resembling many precise moves (akin to dance) rather than simple linear fashion. Knowledge about these new phases can help create new molecules that can block those intermediate surfaces (conformations) that form during the apparent Dance. In this case, such a molecule would be beneficial to prevent cells from throwing out anticancer drugs!

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Synthetic double-helix faithfully stores Shakespeare's sonnets: 2.2Pentabytes in an Egg sized DNA weighing 50grams?

Synthetic double-helix faithfully stores Shakespeare's sonnets: 2.2Pentabytes in an Egg sized DNA weighing 50grams? | Whats New in Science These Days? | Scoop.it
'Error-free’ technique encodes large files in molecular form.
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Global experts agree action needed on space debris

Global experts agree action needed on space debris | Whats New in Science These Days? | Scoop.it
There is an urgent need to remove orbiting space debris and to fly satellites in the future without creating new fragments, Europe’s largest-ever space-debris conference announced today.
Sudheendra Rao, MD-PhD's insight:

High time..

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How journals like Nature, Cell and Science are damaging science

How journals like Nature, Cell and Science are damaging science | Whats New in Science These Days? | Scoop.it
Randy Schekman: The incentives offered by top journals distort science, just as big bonuses distort banking
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Coin-flip judgement of psychopathic prisoners' risk

Coin-flip judgement of psychopathic prisoners' risk | Whats New in Science These Days? | Scoop.it
There are major flaws in the statistical tools for assessing whether people with serious psychological problems will reoffend, says psychiatrist Seena
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New long-lived greenhouse gas discovered: Highest global-warming impact of any compound to date: Worse Than CO2

New long-lived greenhouse gas discovered: Highest global-warming impact of any compound to date: Worse Than CO2 | Whats New in Science These Days? | Scoop.it
Scientists have discovered a novel chemical lurking in the atmosphere that appears to be a long-lived greenhouse gas.
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Why Fruitflies do not like Vodka or Gin?

Why Fruitflies do not like Vodka or Gin? | Whats New in Science These Days? | Scoop.it
Competing neuronal pathways help adults to choose locations with just the right amount of alcohol for their offspring to thrive.
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Restoration of function after brain damage using a neural prosthesis

"Closed-loop systems, or brain–machine–brain interfaces (BMBIs), have not been widely developed for brain repair. In this study, we targeted spared motor and somatosensory regions of the rat brain after traumatic brain injury for establishment of a functional bridge using a battery-powered microdevice. The results show that by using discriminated action potentials as a trigger for stimulating a distant cortical location, rapid recovery of fine motor skills is facilitated. This study provides strong evidence that BMBIs can be used to bridge damaged neural pathways functionally and promote recovery after brain injury. Although this study is restricted to a rodent model of TBI, it is likely that the approach will also be applicable to other types of acquired brain injuries. "

Sudheendra Rao, MD-PhD's insight:

Find this study here.

http://www.pnas.org/content/early/2013/12/03/1316885110

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Neuroprosthetic Device Tells Bladder when to 'Go'

Neuroprosthetic Device Tells Bladder when to 'Go' | Whats New in Science These Days? | Scoop.it
Researchers have developed a neuroprosthetic system to artificially control the bladder. The device uses unique microtechnology neural implants to record bladder sensation and provide electrical input to nerves to stimulate or block urination.
Sudheendra Rao, MD-PhD's insight:

One of the important innovations in rehabilitation medicine.

More info here

http://www.medicalnewstoday.com/articles/268627.php

 

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Transgenerational epigenetic inheritance: how important is it?

Sudheendra Rao, MD-PhD's insight:

In this nature review genetics article, find more details about transgenerational epigenetic inheritance. Recently, there have been  reports of "memories being passed down DNA" to next generations. While, this field of epigenetics is not new but a new debate has been set in motion.

sample reports from these links.

http://www.telegraph.co.uk/science/science-news/10486479/Phobias-may-be-memories-passed-down-in-genes-from-ancestors.html

http://www.wired.co.uk/news/archive/2013-01/25/gene-memory

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Indians and Europeans Share 'Light-Skin' Mutation

Indians and Europeans Share 'Light-Skin' Mutation | Whats New in Science These Days? | Scoop.it
A common gene variant that codes for lighter skin color in Europeans is also common in India, and the gene was positively selected for in North, but not South India.
Sudheendra Rao, MD-PhD's insight:

It looks like there is a common ancestor between Europeans and North Indians! At least for 27% of people! SLC24A5 associated variation is present in almost 100% of Europeans! This gene is linked to producing less Malanin the pigment which gives skin its color. Eventhough, some south Indians have light skin tone, they do not harbour this variation in this gene. Time to get back to Alexandor!

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