Radiation
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A team of engineers has developed a new type of camera that can detect radiation in terahertz wavelengths. This new imaging system can see through certain materials in high detail, which could make it useful for security scanners and other sensors.
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Tree rings can preserve a snapshot of the Earth throughout the tree's life. Now Australian scientists analyzing these records have found evidence of huge radiation storms that periodically bathe the planet – and their origin remains a mystery.
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Engineers at Duke University have developed a novel delivery system for cancer treatment involving a radioactive implant, and demonstrated its potential against one of the disease’s most troublesome forms: pancreatic cancer.
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The liver can regenerate itself after taking damage, but whether that ability fades with age is unknown. A new study has found that age doesn’t slow down the liver’s regeneration, and whether you’re 20 or 80, your liver is on average just three years old.
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Analysis of an ongoing project that has been tracking the health of nearly one million women in the UK for more than 20 years has found no association between increased risk of brain tumors and cell phone use.
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Stem cell transplants to treat blood cancers can be a risky process. In a new study in mice, researchers found a way to make the process safer by targeting a patient’s faulty stem cells more precisely, removing the need for radiation or chemotherapy.
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Scientists have made an intriguing discovery that could see radiation therapy become a less invasive treatment for heart arrhythmia. The technique seems to activate the heart cells to revert to a younger state and repair the tissue.
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A new study has shown how tumors that have gone "cold" due to a lack of key immune cells can be heated up through a carefully managed dose of radiation, drawing in fresh immune cells that can take up the fight from within.
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An international team of scientists has calculated that a crewed mission to Mars should only last a maximum of four years if the astronauts' health isn't to be endangered by prolonged exposure to cosmic radiation.
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Radiotherapy is one of the best treatments we have against cancer, but there's room for improvement. Now, researchers in Japan have developed nanoparticles that can penetrate tumors and kill them from within, after being activated by external X-rays.
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Astronomers have detected the highest-energy light ever seen. Hundreds of gamma rays were detected with ultra-high energies, with the most powerful signals crossing the Peta-electronvolt threshold – much higher than thought possible in our galaxy.
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Astronauts enduring long-periods in space may be in danger of experiencing a range of adverse health problems, but new research in zebrafish has demonstrated how induced hibernation may help limit the risk posed by radiation.
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