Today, you’ll learn about how whales could be carrying on conversations from over 60 miles away, the struggles of foster moms in the 1600s, and why your blood pressure reading might be way off.

Whale Talk

• “Whales May Be Communicating Across Vast Distances.” by Joanna Thompson. 2024.
• “Alaska’s Population of Bowhead Whales Rebounding.” by Riley Woodford. 2003.
• “Orientation by means of long range acoustic signaling in baleen whales.” by Roger Payne & Douglas Webb. 1971.
• “Synchronization of bowhead whales.” by Evgeny A. Podolskiy, et al. 2024.

Foster Care History

• “Early foster care gave poor women power, 17th-century records reveal.” EurekAlert! 2024.
• “History of Foster Care in the United States.” NEPA. N.D.

Blood Pressure Test

• “Blood pressure may read falsely high if the arm isn’t positioned properly.” by Aimee Cunningham. 2024.
• “Arm Position and Blood Pressure Readings.” by Hairong Liu, MHS. 2024.
• “Estimated Hypertension Prevalence, Treatment, and Control Among U.S. Adults.” MillionHearts. 2023.

Follow Curiosity Daily on your favorite podcast app to get smarter with Calli and Nate — for free! Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.

Hosted on Acast. See acast.com/privacy for more information.