Search results for “Iris Hilliard”

How dangerous is dioxane in your drinking water?

How worried should you be if 1,4-dioxane gets into your drinking water? 1,4-dioxane is an industrial chemical used as a solvent and a stabilizer -- and in areas where there's environmental contamination, safety is an important question, especially as the substance is a probable human carcinogen. T

ScienceCasts: The Mystery of Coronal Heating

Observations by NASA's IRIS spacecraft suggest that "heat bombs" are going off in the sun's outer atmosphere, helping to explain why the solar corona is so mysteriously hot. Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. https://iris.gsfc.nasa.gov/

Is swallowing pool-pee bad for your health?

How much of someone else's pee could you be swallowing while taking a swim? And is it dangerous? This week, Risk Bites takes on the terribly important topic of peeing in swimming pools. Surprisingly, beyond the yuck factor of drinking someone else's urine, there is a more serious hazard -- produc

The trunk noses of the saiga antelopes

Saiga antelopes are amazingly persistent. On their long migrations through the steppes of Kazakhstan, the saigas can cover 80 kilometers and more in one day. Their enormous trunk helps them do this. But the nose can do even more. Author: ZDF/Terra X/Viking Film/Iris Gesand/Andreas Kieling, Frank Gu

What is a stromatolite

Stromatolites are calcareous deposits. The stones can be up to 3.5 billion years old. For a long time they were known only as fossils, until 1956, when a "living" colony of stromatolites was discovered off the west coast of Australia. Author: ZDF/Terra X/Viking Film/Iris Gesang/Andreas Kieling, Fra

How dangerous is radon to your health?

If you're breathing radioactive radon gas, how dangerous is it?, and what's the likelihood of you getting lung cancer? Risk Bites looks at radon safety, and the potential harm that being exposed to this radioactive gas can cause . #radon #risk #safety #exposure USEFUL LINKS US Environmental P