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Latest Jules Blais Stories

2005-07-14 16:50:00

(Kingston, ON) "“ Seabirds are the surprising culprits in delivering pollutants "“ through their guano "“ to seemingly pristine northern ecosystems, a new Canadian study shows. The most common form of wildlife in the Arctic, seabirds are responsible for transporting most of the human-made contaminants to some coastal ecosystems, the researchers found. "The effect is to elevate concentrations of pollutants such as mercury and DDT to as much as 60 times that of areas not...

2005-07-14 13:05:35

By Maggie Fox, Health and Science Correspondent WASHINGTON (Reuters) - Sea birds can spread pollutants such as mercury and pesticides across the Arctic in their droppings, Canadian researchers reported Thursday. The finding, published in the journal Science, surprised experts, who had presumed that the chemicals were being spread only by atmospheric winds. It could help explain the high levels of such pollutants found in the bodies of people living in and near the Arctic region, far from...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.