Essential oil sprays kill cockroaches on contact, study says

Many homeowners turn to essential oil sprays as a natural alternative to traditional pest control, watching cockroaches die immediately upon being soaked. However, a new study reveals that this knockdown effect does not translate to eliminating the broader colony. Pest experts suggest that relying solely on these contact sprays is insufficient for managing a persistent infestation.

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SciencebiotechOct 17, 2026

Genetic study questions settler-Indigenous relations in New France

A research team led by the Université de Montréal has analyzed human remains discovered in Old Montreal, yielding unexpected genetic insights. The findings challenge traditional historical narratives surrounding early settler and Indigenous relations in New France. Researchers utilized advanced genetic analysis techniques to trace the lineage and origins of the individuals. The unexpected results prompt a re-evaluation of the demographic and social interactions that defined the colonial era in North America.

genetics history New France Indigenous relations archaeology

ScienceenvironmentOct 17, 2026

Climate warming can slow how tree roots feed soil microbes

New research led by Dartmouth College explores how plants and their roots adapt and survive underground when conditions change due to a warming climate. Plant roots perform essential tasks out of sight, such as absorbing water and nutrients while keeping the plant anchored. Because studying underground processes is inherently difficult, these new studies provide crucial insights into how rising temperatures affect root behavior and the way trees interact with essential soil microbes.

climate change tree roots soil microbes Dartmouth College ecology

ScienceenvironmentOct 17, 2026

Study Finds Natural Gas Leaks in Midwest City Buildings

Recent research reveals that approximately two percent of natural gas supplied to a major Midwest city escapes into the atmosphere. Contrary to popular belief, most of these leaks originate from residential and commercial buildings rather than large exterior distribution pipelines. Penn State researchers analyzed nearly a decade of comprehensive data to pinpoint the sources of urban methane emissions. The findings highlight the importance of improving indoor gas infrastructure to reduce environmental impacts.

Natural Gas Methane Leaks Environment Penn State Energy

Essential oil sprays kill cockroaches on contact, study says

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