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Is It Time to Stop Protecting the Grizzly Bear?

This story originally appeared on Vox and is part of the Climate Desk collaboration. In the early 1900s, long before smartphones and selfie sticks, tourists flocked to Yellowstone National Park—not for the geysers or scenery, but for a grotesque show: a nightly spectacle of grizzly bears raiding cafeteria scraps from open-pit landfills like desperate, starving pirates. The bears were in dangerous proximity to humans: Hungry bears tore at open car windows. Tourists posed a little too close with

Aging-related inflammation is not universal across human populations

Inflammation, long considered a hallmark of aging, may not be a universal human experience, according to a new study from Columbia University Mailman School of Public Health. The research suggests that "inflammaging"—chronic, low-grade inflammation associated with aging—appears to be a byproduct of industrialized lifestyles and varies significantly across global populations. The findings are published in Nature Aging. Researchers analyzed data from four populations: two industrialized groups—th

America’s incarceration rate is in decline

For more than 40 years, the United States—a nation that putatively cherishes freedom—has had one of the largest prison systems in the world. Mass incarceration has been so persistent and pervasive that reform groups dedicated to reducing the prison population by half have often been derided as made up of fantasists. But the next decade could see this goal met and exceeded: After peaking at just more than 1.6 million Americans in 2009, the prison population was just more than 1.2 million at the e

Spatializing 6k years of global urbanization from 3700 BC to AD 2000

Transcription Chandler’s book includes population data from 2250 BC to AD 1975 in various charts and tables. The book contains 656 9×5.5 inch pages and is divided into multiple sections, including Sources and Methods, Continental Tables and Maps (highlighting locations of major cities as illustrated in Fig. 4), Data Sheets for Ancient Cities (the main tables of the book shown in Fig. 1), Tables of the World’s Largest Cities, and Whereabouts of Unfamiliar Cities. Each page in the Data Sheets for