Mexico’s Hidden Reptiles
Scientists discover previously unknown populations of endangered reptiles high in the mountains above Baja, Mexico.
Saving Monarchs
Scientists are looking into the causes of the monarch butterfly’s decline.
Sustainable Stuff
Manufactured goods today have so many parts from so many places that even the companies that sell them can’t keep track.
Border Collies vs. Bacteria
Could border collies help clean up beaches?
Fish on Acid
Fish in acidified waters exhibit strange and often reckless behaviors.
Birds & Elephant Trees
Migratory gray vireos help elephant trees disperse their seeds in Baja, California.
Clean Air Act Success
Samples from Greenland's ice cores suggest that the U.S. Clean Air Act has helped curtail acid rain.
Baja Spiders
Scientists discover new insects and spiders on an expedition to a little-known area of Baja, California.
Urban Dolphins
California's coastal bottlenose dolphins harbor contaminants in their blubber.
Harpy Eagles
Satellites and unmanned aircraft could help shed light on the lives of one of the world’s most elusive eagles.
EVOLUTION & EXTINCTION
EVOLUTION & EXTINCTION - (Encore Presentation) What really happened to Australia's missing megafauna, how carnivores lost their sweet tooth, why lovelorn fruit flies resort to alcohol, strategic miscarriages in monkeys, and a new frog species is discovered in plain sight.
Saving Hawaiian Crows
The Hawaiian crow is recovering from a devastating population crash, with help from us.
Baja Bats
A recent expedition to Baja California revealed a surprising number of bats living in abandoned mines.
A Seal Mystery
Melting sea ice allows marine mammal species that were once isolated to intermingle – and share diseases.
Recycled Water
Would you drink recycled water if you were assured it was safe?
Toxic Seeds & Birds
A Hawaiian bird faces extinction because its favorite food is threatened.
Saving Rock Iguanas
Rock iguanas are the most endangered lizards in the world. But captive breeding is helping bring them back.
Suburban Birds
According to a long-term study, the suburbs may actually be good for bird diversity.
Walden Trees
Trees described by Henry David Thoreau in Walden are adapting to
earlier spring thaws, but face stiff competition from invasive species.
Whales & Oil
The exploitation of natural resources in the Arctic due to melting sea ice has consequences for marine mammals.
Frog Hibernation
Hibernation is the key to getting an endangered frog species to breed in captivity.
Podcast for 20 December 2013
HUMANS AND ANIMALS - The origins of ancient house cats in China. Crows that hold grudges. And, how global warming is creating a new breed of Arctic explorers - of the avian variety. Also: the lengths squirrels will go to to hide their nuts.