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In research described as "a stark warning" to those tempted to start smoking, scientists are reporting that cigarette smoke begins to cause genetic damage within MINUTES–not years–after inhalation into the lungs.

And there is growing evidence that exposure to a group of chemicals known as type-2 alkenes–found in many different sources, including the smoke inhaled from cigarettes, the exhaust of automobiles and even the steam from French fries–can increase the chances of developing Alzheimer’s disease and other neurological conditions such as Parkinson’s disease.
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Scientists have been experimenting with invisibility for a long time, mostly on the quantum level. But now they’ve learned how to make large objects, which are visible to the naked eye, invisible as well. How do they do it?
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Climate change doesn’t just mean global warming (something that people in the Northeast who are experiencing major blizzards can attest to), it means oscillations of extreme hot and cold. Exceptionally warm weather in the arctic this winter and last, coupled with extremely cold weather further south, has been the cause of exceptional winter storms, and it appears that the massive loss of sea ice in recent years could be the cause.read more

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Astronomers are making wondrous new discoveries every day. A new study from NASA tells scientists how often the biggest black holes have been active over the last few billion years. This discovery could have implications for how the giant black hole at the center of the Milky Way will behave in the future. And is the expansion of the universe accelerating for some unknown reason? This is one of the mysteries plaguing astrophysics, and somewhere in distant galaxies are yet-unseen supernovae that may give us the answer.
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