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Secret to Heliconius Butterflies’ Longevity May Be Hidden in Pollen

Heliconius hecale. Image credit: Robert Lawton / CC BY-SA 2.5.

Entomologists have compiled decades of data from butterfly houses, wild field studies, and lab experiments to build the most comprehensive picture yet of how long Heliconius butterflies live and how slowly they age.

The post Secret to Heliconius Butterflies’ Longevity May Be Hidden in Pollen appeared first on Sci.News: Breaking Science News.

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Urban Light Pollution Might Be Worsening Allergies

Light pollution prompts plants to shed pollen longer and stronger, according to new research.

Β© Amir Hamja for The New York Times

A study found that trees in cities with brighter lights start producing pollen earlier in the spring and finish later in the fall, adding up to 130 days per year to the allergy season.
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