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The USPS has changed the way mail is postmarked. Learn how to make your gift count in 2025.

Ranchers test virtual fence technology's ability to keep cows safe from grizzly bears

By Hanna Merzbach

Published December 26, 2025 at 5:36 PM EST

Technology enabling virtual fences for pets is now being adapted for livestock. Ranchers near Yellowstone National Park are testing its ability to keep cows safe from grizzly bear attacks.

More Stories

Cannabis use among teens tied to poor school performance

Rhitu Chatterjee

A new study of more than 160,000 teens finds that even occasional cannabis use among 8th, 10th and 12th graders is tied to worse outcomes at school and more emotional distress.
As elections approach, Myanmar's economy is in shambles

Patrick Winn

Nearly five years after the coup, Myanmar is poorer, hungrier, and plagued by blackouts. Few believe the upcoming election will change anything.
Operation Match: How the first computerized dating service came to be

Radio Diaries

Back in the 1960s, a couple of Harvard students had an idea. From Radio Diaries, this is a look back at the creation of the very first computerized dating service.
What happened to U.S. foreign aid this year?

Gabrielle Emanuel, Fatma Tanis

Historically, the U.S. had been the top donor for global health. That changed dramatically this year. We look at the new approach the U.S. is pursuing and what this has meant for people on the ground.
U.S. strikes alleged Islamic State camps in Nigeria

Emmanuel Akinwotu

President Trump ordered U.S. strikes on ISIS targets in northwest Nigeria, in response to what he claimed is persecution of Christians