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Radon occurs naturally when uranium in soil or rock breaks down to form radium, which then turns into radon gas. The gas can enter a building or home through cracks in walls, basement floors ...
Radon is responsible for the majority of public exposure to ionizing radiation. It is often the single largest contributor to an individual's background radiation dose, and is the most variable from location to location. Radon gas from natural sources can accumulate in buildings, especially in confined areas such as attics and basements.
Residues from the oil and gas industry often contain radium and its daughters. The sulfate scale from an oil well can be very radium rich. The water inside an oil field is often very rich in strontium, barium and radium, while seawater is very rich in sulfate: so if water from an oil well is discharged into the sea or mixed with seawater, the radium is likely to be brought out of solution by ...
The Cardiff Giant, a hoax of a hoax; P. T. Barnum had a replica made because he could not obtain the "genuine" hoax item. The CERN ritual , a supposed occult sacrifice on the grounds of CERN . China Under the Empress Dowager , co-authored by Sir Edmund Backhouse, 2nd Baronet using a forged diary as a major source, with a manuscript of Backhouse ...
Radon concentrations can vary daily, and accurate radon exposure estimates require long-term average radon measurements in the spaces where an individual spends a significant amount of time. [ 173 ] Radon levels fluctuate naturally, due to factors like transient weather conditions, so an initial test might not be an accurate assessment of a ...
Scammers can use your email to target you directly. And, unfortunately, plenty of email phishing scams today are more sophisticated than the older varieties that would directly ask for your ...
Psychic surgery – a type of medical fraud, popular in Brazil and the Philippines. Practitioners use sleight of hand to make it appear as though they are reaching into a patient's body and extracting "tumors". Psychic surgery is usually explicit deception; i.e., the "practitioners" are aware that they are practicing fraud or "quackery".
While most junk email can seem like a minor annoyance, certain types of email can cause problems for not only you but other people you email. Sometimes these emails can contain dangerous viruses or malware that can infect your computer by downloading attached software, screensavers, photos, or offers for free products.