News Release
Office of News and Information
Johns Hopkins University
901 South Bond Street, Suite 540
Baltimore, Maryland 21231
Phone: 443-287-9960 | Fax: 443-287-9920
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September 24, 2007
FOR IMMEDIATE RELEASE
CONTACT: Phil Sneiderman
443-287-9960
[email protected]
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Ragweed Research Is Nothing to Sneeze At
Additional Photos
All photos by Will Kirk, except Photo E
Photo E: This microscopic image shot by the research team shows individual pollen grains, including some that haven't fully divided or matured.
Photo by Mike Martin |
Photo F: In order to capture clear images of the pollen release, the researchers bound a living ragweed plant to a stake, keeping the flowers in a stationary position. |
Photo G: The students used a video camera with a closeup lense to collect images of microscopic pollen grains being released by the male flowers. |
Photo H: Mike Martin studies part of a ragweed plant while setting up camera equipment to capture pollen release images. |
Photo I: Marcelo Chamecki checks the wiring inside a meteorological tower equipped with instruments to measure solar radiation, air temperature, humidity, wind direction, wind speed and turbulence. |
Photo J: Marcelo Chamecki and Mike Martin constructed a tower, 6 meters high, to gather data on how weather conditions affect the spread of ragweed pollen. |
Photo K: Mike Martin put up this 18-foot pole, equipped with pollen catchers to gather samples from the ragweed field. |
Additional Images of Ragweed Researchers
Mike Martin and Marcelo Chamecki
Photo L |
Photo M |
Photo N |
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