Author: Kevin Engel

Librarian Grinnell College Grinnell, IA, USA
What is an atmospheric river?

What is an atmospheric river? A hydrologist explains the good and bad of these flood-prone storms and how they’re changing

Intersections

Qian Cao, University of California, San Diego (from The Conversation) A series of atmospheric rivers is bringing the threat of heavy downpours, flooding, mudslides and avalanches to the Pacific Northwest and California this week [early 2024]. While these storms are dreaded for the damage they can cause, they are also essential to the region’s water supply, particularly in California, as Qian Cao, a hydrologist at…

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Extreme winter weather and a changing climate

Intersections

The United States was virtually snow-free during the Christmas season 2023 matching a year which was one of the hottest globally since weather records have been kept. Yet, by early to mid January 2024, large sections of the United States were facing snow storms, blizzards, and extreme cold temperatures. How does that sudden change of weather–from warmer than usual to extreme cold and snow–fit the…

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AI, finding information, and surviving

Intersections

There is a vast amount of hype surrounding artificial intelligence (AI) and its applications. And there are valid concerns about the use of AI and its negative impact on our society. Like the long lineage of communication technologies that have preceded AI, human beings will use it–some for good (or at least with good intentions) and some to further crime, greed, corruption, and to gain…

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Students could get more sleep and learn better if school started a little later

Intersections

Joanna Fong-Isariyawongse, University of Pittsburgh (from The Conversation) Nearly three-quarters of high school students do not get enough sleep on school nights, according to the Centers for Disease Control and Prevention. The National Sleep Foundation recommends that teens sleep for eight to 10 hours per night. But various factors hinder this, including early school start times and shifts in adolescents’ circadian rhythms – the biological…

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Air pollution: one of the world’s greatest public health threats

Quick bibliographies

“Air pollution is one of the world’s greatest public health threats, reducing global life expectancy more than smoking, alcohol or childhood malnutrition. Recent studies estimate that fine particulate matter called PM2.5—pumped out by cars, factories, woodstoves and wildfires—causes nearly nine million premature deaths annually.” [Greenspan, J. (2023). Air Pollution Is Really Dangerous, Even More New Evidence Shows: Dirty air has been linked to poor health outcomes, ranging from suicidality…

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What is death?

Quick bibliographies

“Just as birth certificates note the time we enter the world, death certificates mark the moment we exit it. This practice reflects traditional notions about life and death as binaries. We are here until, suddenly, like a light switched off, we are gone.  But while this idea of death is pervasive, evidence is building that it is an outdated social construct, not really grounded in…

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