º£½Ç»»ÆÞ

© 2025 º£½Ç»»ÆÞ

FCC Public Inspection Files:
· · ·
· · ·
Public Files Contact · ATSC 3.0 FAQ
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
Access to this video is a benefit to members

Humpback Health

Season 14 Episode 1402 | 26m 42s

How does the body size and overall health of humpback whales change across their migratory cycle? A team of researchers studying the animals, which spend part of the year feeding in Alaska and a few months fasting while in their Hawaiian breeding grounds, is making remarkable discoveries.

Aired: 10/31/22 | Expires: 01/06/23
Major funding for this program was provided by The Batchelor Foundation, encouraging people to preserve and protect America’s underwater resources. Additional Funding was provided by Trish and Dan Bell and The Parrot Family Endowment for Environmental Education. Distributed by .
Extras
An intimate portrayal of three families confronting the unique challenges of Alzheimer’s.
Gavin Svenson heads to the Brazilian rainforest to sample the diversity of mantises.
Nancy’s wedding plans take a surprising turn. Sister Catherine takes her First Vows.
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
An elusive photographer uses street art tactics to share his previously unknown work with the world.
Jesse Barber and Akito Kawahara study the evolutionary arms race between bats and moths.
Monarch butterflies winter in the fir forests of Michoacan, Mexico, after an epic migration.
Joyce faces a disciplinary hearing over a recent complaint which has been upheld.
A four-part investigation into insect declines, exploring their diversity and ecological importance.
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.
Latest Episodes
All
  • All
  • Changing Seas Season 16
  • Changing Seas Season 15
  • Changing Seas Season 14
  • Changing Seas Season 13
  • Changing Seas Season 12
  • Changing Seas Season 11
  • Changing Seas Season 10
  • Changing Seas Season 9
  • Changing Seas Season 8
  • Changing Seas Season 7
  • Changing Seas Season 6
  • Changing Seas Season 5
  • Changing Seas Season 4
  • Changing Seas Season 3
  • Changing Seas Season 2
  • Changing Seas Season 1
Florida scientists make remarkable discoveries about whitespotted eagle rays.
Marine archaeologists uncover a Roman shipwreck on Croatia's Adriatic Coast.
Experts study southern sea otters to ensure their longtime survival on California’s coast.
Islanders restore Maui's watersheds through traditional Hawaiian wisdom.
Knowledgeable fishers collaborate with scientists to keep sharks abundant.
Amid shipwrecks and shifting sands, Bermuda’s corals offer clues to climate resilience.
Researchers and citizen scientists document the fascinating lives of seashells.
Researchers brave the Arctic’s cold and dark to reveal the mysteries of the Polar Night.
Florida’s gentle giants are dying in record numbers.
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.