© 2026 Michigan State University Board of Trustees
Public Media from Michigan State University
DONATE
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

PBS News Hour

How arctic ground squirrels could advance human brain health

Season 2023 Episode 348 | 4m 03s

When arctic ground squirrels hibernate for the winter, they can lower their body temperatures to freezing levels and stay dormant for up to eight months. Researchers at the University of Alaska Fairbanks are studying how these animals survive on the edge of life and the clues they may hold to treating injuries and disease in humans. Alaska Public Media’s Kavitha George reports.

Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by Consumer Cellular and Cunard Cruise Line. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.
Extras
Watch • 57:46
PBS News Hour
July 21, 2026 - PBS News Hour full episode
July 21, 2026 - PBS News Hour full episode
Episode: S2026 E149 | 57:46
Watch • 9:20
PBS News Hour
Lebanese skeptical of Israel agreement as violence continues
Southern Lebanese skeptical of Israel agreement as violence continues
Clip: S2026 E149 | 9:20
Watch • 5:20
PBS News Hour
Hegseth says Iran war has cost $37.5B so far
Hegseth says Iran war has cost $37.5B so far and Pentagon needs $67B to restock arms
Clip: S2026 E149 | 5:20
Watch • 8:45
PBS News Hour
Janesville becomes battleground in AI data center debate
Janesville, once a symbol of the Great Recession, becomes AI data center battleground
Clip: S2026 E149 | 8:45
Watch • 6:48
PBS News Hour
Trump raises tensions with Canada by announcing new tariffs
Trump raises tensions with Canada by announcing new 50% tariffs
Clip: S2026 E149 | 6:48
Watch • 7:14
PBS News Hour
Epstein survivor calls Blanche meeting 'a performative move'
Epstein survivor criticizes Blanche, calls meeting 'a performative move'
Clip: S2026 E149 | 7:14
Watch • 7:22
PBS News Hour
Anna Deavere Smith brings her family's history to the stage
Anna Deavere Smith brings her family's history to the stage in 'Basil Biggs'
Clip: S2026 E149 | 7:22
Watch • 6:20
PBS News Hour
News Wrap: Gulf Coast prepares for Tropical Storm Bertha
News Wrap: Gulf Coast prepares for Tropical Storm Bertha
Clip: S2026 E149 | 6:20
Watch • 6:26
PBS News Hour
News Wrap: Andy Burnham becomes Britain's new prime minister
News Wrap: Andy Burnham becomes Britain's 7th prime minister in a decade
Clip: S2026 E148 | 6:26
Watch • 7:10
PBS News Hour
The highlights and controversies of the 2026 World Cup
The highlights and controversies of the 2026 World Cup
Clip: S2026 E148 | 7:10