For all its massive size, our galaxy, the Milky Way, is a bit slow when it comes to forming new stars. This is not the case with other large galaxies, which produce young, blue suns at very high rates. These areas of intense star production, known as stellar nurseries, have long been associated with radiation, and a recent investigation – conducted using the H.E.S.S. telescopes, shows that large amounts of gamma rays are emitted from within these structures. The recent measurements were conducted on the galaxy NGC 253, which is closely outside our own Local Group.
The reason why stellar nurseries emit this high-energy radiation has remained a mystery for quite some time, but astrophysicists have eventually figured it out. They have determined that, for the large number of stars that is created within the gas clouds, an equally large number of old stars dies. Some of these stars explode into supernovae, modifying the structure of the gas around them. But the catch is that these…
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Producing the neurotransmitter dopamine outside the brain is one of the main goals in medicine today, but devising setups for this, as in creating dopamine-producing neurons, has proven to be extremely difficult. Now, this goal may be one step closer to reality, thanks to a new study by experts at the Swedish medical university Karolinska Institutet. They’ve shown in a study on mice that the cholesterol derivate oxysterol is of great importance for promoting neuron growth, AlphaGalileo reports.
In charge of the investigation has been Professor Ernest Arenas. Details of the investigation appear in the latest issue of the scientific journal Stem Cell. The main highlight is that the development of dopamine-producing neurons in the brain of mice is boosted by the activation of a specific receptor in the brain. This receptor responds to oxysterol, which is an oxidized form of cholesterol. This type of neurons is extremely important for the brain of humans and other animals, as it… (Read the rest of this article at the following article source link for the full story)
The probes, orbiters and rovers that currently explore the recesses of the solar system and beyond are only crude efforts in mankind’s quest to explore the Universe. These robots currently come at very high costs, are relatively fragile, and only carry limited amounts of scientific equipment. But, in the future, space exploration will be conducted with formations of spacecraft, flying at predefined distances from each other, and in essence acting like a single, gigantic sensor. These probes will need to be able to maintain the established distance no matter what, and a new report shows that femtosecond lasers are the way this can be achieved.
According to the paper, which was designed by experts at the UK National Physical Laboratory (NPL) for the European Space Agency (ESA), femtosecond comb lasers are the best, most effective way of conducting the highly precise measurements required to keep the elements of a free-flying spacecraft formation in the same relative position in…
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British moto insurer Diamond has revealed the figures behind a recent survey among female motorists and they are nothing short of troubling. As it turns out, an estimated one in five women drivers admits to retouching their makeup on the go, when they’re behind the wheel, which translates into half a million crashes caused by them on the roads in the UK, The Telegraph informs.
As a rule, women have quite a reputation for being able to do more things at once, as opposed to their male counterparts, who, most of the time, can only concentrate on the task at hand. However, when it comes to driving, women should not even consider attempting doing something else and thus avoid risking their own life, as well as those of other drivers, for nothing, The Royal Society for the Prevention of Accidents warns in light of the recent numbers uncovered.
“Around one fifth of female motorists confess they have touched up their mascara on the move – equivalent to 2.7 million of Britain’s 15 million… (Read the rest of this article at the following article source link for the full story)
Amidst ongoing debate over the soda tax that is believed to actively bring the obesity epidemics to a halt, or at least to contribute to putting a damper on it, Coca Cola has announced a rather surprising move, that of including a detailed calorie count on the labels of each beverage, WSJ Blogs informs. The change will be complete by the end of 2011, with containers already coming with the altered labels in Europe and Australia.
As easily imagined, Coca Cola’s announcement did not fail to generate a controversy, with some speculating that it had nothing to do with the company’s concern over the health of its customers, but rather with it finding a way to avoid the soda tax. Under the guise of good faith lies a not-too-subtle attempt at escaping government regulation, they say. Of course, Coca Cola Co. is adamant the change has been a long time coming and, most importantly, that it has nothing to do with ongoing talk to push the so-called soda tax.
“Coca-Cola Co. said yesterday… (Read the rest of this article at the following article source link for the full story)
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For all its massive size, our galaxy, the Milky Way, is a bit slow when it comes to forming new stars. This is not the case with other large galaxies, which produce young, blue suns at very high rates. These areas of intense star production, known as stellar nurseries, have long been associated with radiation, and a recent investigation – conducted using the H.E.S.S. telescopes, shows that large amounts of gamma rays are emitted from within these structures. The recent measurements were conducted on the galaxy NGC 253, which is closely outside our own Local Group. 
Producing the neurotransmitter dopamine outside the brain is one of the main goals in medicine today, but devising setups for this, as in creating dopamine-producing neurons, has proven to be extremely difficult. Now, this goal may be one step closer to reality, thanks to a new study by experts at the Swedish medical university Karolinska Institutet. They’ve shown in a study on mice that the cholesterol derivate oxysterol is of great importance for promoting neuron growth, AlphaGalileo reports. 
The probes, orbiters and rovers that currently explore the recesses of the solar system and beyond are only crude efforts in mankind’s quest to explore the Universe. These robots currently come at very high costs, are relatively fragile, and only carry limited amounts of scientific equipment. But, in the future, space exploration will be conducted with formations of spacecraft, flying at predefined distances from each other, and in essence acting like a single, gigantic sensor. These probes will need to be able to maintain the established distance no matter what, and a new report shows that femtosecond lasers are the way this can be achieved. 
British moto insurer Diamond has revealed the figures behind a recent survey among female motorists and they are nothing short of troubling. As it turns out, an estimated one in five women drivers admits to retouching their makeup on the go, when they’re behind the wheel, which translates into half a million crashes caused by them on the roads in the UK, The Telegraph informs.
Amidst ongoing debate over the soda tax that is believed to actively bring the obesity epidemics to a halt, or at least to contribute to putting a damper on it, Coca Cola has announced a rather surprising move, that of including a detailed calorie count on the labels of each beverage, WSJ Blogs informs. The change will be complete by the end of 2011, with containers already coming with the altered labels in Europe and Australia.