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Science

How many cancers are caused from the environment?

Rappresentazione di una cellula cancerosa. Fonte: http://www.greenrightnow.com/wls/tag/henry-waxman/ A decades-old estimate says that about 6% of cancer cases is due to environmental and occupational exposures. Now some experts say that estimate is outdated and very low.

Some bacteria can increase their ability to learn human

Immagine al microscopio del Mycobacterium Vaccae. Credit:  Laura Rosa Brunet, UCL Exposure to specific environmental bacteria, was already known, may have antidepressant qualities, may also increase their ability to learn, as presented at the 110th General Meeting of the American Society of Microbiology, San Diego.

Matter and antimatter. Physicists find evidence on asymmetry.

Esempio di collisione registrata durante un esperimento con il Tevatron. Scientists have announced the collaboration Dzero have found evidence of a significant violation of matter-antimatter symmetry.

Cancer can be transmitted from mothers to fetuses

In rari casi un feo può contrarre il cancro da sua madre. Credit: Digital Vision/Getty Images. A striking case in Japan has confirmed that pregnant women with cancer can transmit the disease to their fetuses.

The promise of vaccines based on DNA

DNA. Fonte. http://blogs.nature.com Laboratory research and clinical studies are showing that vaccines based on DNA can be as effective as traditional vaccines.

Too much insulin: bad for the heart?

Puntura di Insulina A team of researchers at the Chiba University Graduate School of Medicine , Japan, has produced a series of data, in experiments with mice, which suggests that insulin, used to treat diabetes, could be harmful if the patient suffers from chronic hypertension.

Discovered a flaw in the common digital security systems

Encryption Scientists' s University of Michigan have discovered a major flaw in the most common technique of digital security.

U.S. scientists have created the first "molecular map"

Immagine al microscopio a fluerescenza dei nanofogli di peptoidi. Fonte: Berkeley Labs Dimensional nanostructures in the form of "paper", are commonly used in biological systems, such as in the case of cell membranes.

Albert Einstein and the twin paradox

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“Se un organismo vivente, dopo un volo arbitrariamente lungo ad una velocità approssimativamente uguale a quella della luce, potesse ritornare nel suo luogo d’origine, egli sarebbe solo minimamente alterato, mentre i corrispondenti organismi rimasti, già da tempo avrebbero dato luogo a nuove generazioni.” (Einstein, 1911) (Rose M. Mistretta)

In the late nineteenth century, physicists Albert Michelson (Nobel Prize for Physics in 1907) and Edward Morley began to develop an interferometry experiment, the most famous in the history of physics,

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