Tagged investigation

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Discovering and diagnosing honey bee killers

3 lessons, 7 files
How can we identify pathogens that are causing honey bee deaths? You may have heard about Colony Collapse Disorder, a syndrome likely caused by multiple factors that results in the deaths of many honeybee colonies. Become a diagnostic researcher and use …
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Rise of the mutant weed: weeds and herbicide resistance

2 lessons, 5 files
How do farmers reduce competition for their crops? What weeds are resistant to herbicides? How does the mechanism of resistance work? Weeds present problems in farm fields—they rob sunlight, nutrients, and water from the crops. What can farmers do? Herbicides are one answer, but they may not do enough as some weeds have developed …

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