Pulse Of The Planet Podcast With Jim Metzner | Science | Nature | Environment | Technology

When the weather's been cold and the Hudson River freezes over, that's when ice boats may be sailing on the river. Learn more about your ad choices. Visit megaphone.fm/adchoices

Australia is home to about one tenth of the world's living bird species. Here's a sampling of a few of them - headphones on! Learn more about your ad choices. Visit megaphone.fm/adchoices

Headphones on for a sound portrait of a cloud forest. Learn more about your ad choices. Visit megaphone.fm/adchoices

It's sugaring time in the northeast woods of the US. Learn more about your ad choices. Visit megaphone.fm/adchoices

For bears in hibernation, giving birth and nursing newborns is a slumberous activity. Learn more about your ad choices. Visit megaphone.fm/adchoices

Bears have unique mechanisms for self-preservation during their months of hibernation. Learn more about your ad choices. Visit megaphone.fm/adchoices

Grizzly bear tracking usually involves splitting a few hairs. Learn more about your ad choices. Visit megaphone.fm/adchoices

Are Grizzly bears returning to the mountains of Montana? Learn more about your ad choices. Visit megaphone.fm/adchoices

Through trickery and ingenuity, ravens are surviving the winter in Alaska Learn more about your ad choices. Visit megaphone.fm/adchoices

The precise role of the humpback whale's song is unknown. Learn more about your ad choices. Visit megaphone.fm/adchoices

Harikuyo is a memorial service for the broken sewing needles of the past year, celebrated across Japan. Learn more about your ad choices. Visit megaphone.fm/adchoices

They might be the source of many ocean myths. Learn more about your ad choices. Visit megaphone.fm/adchoices

The wail of the Indri lemur signals the mating season of these primates that some tribes consider the ancestors of humans. Learn more about your ad choices. Visit megaphone.fm/adchoices

The Common Loon is anything but common, and they're on their way South. Learn more about your ad choices. Visit megaphone.fm/adchoices

Even the "chief of all animals" must struggle to survive the winter. Learn more about your ad choices. Visit megaphone.fm/adchoices

Elephant seals on Ano Nuevo island. Learn more about your ad choices. Visit megaphone.fm/adchoices

Sex, violence, and two-ton marine mammals. Learn more about your ad choices. Visit megaphone.fm/adchoices

The Up Helly Aa festival gives the people of the Shetland Islands a chance to torch a replica of a Viking galley. Learn more about your ad choices. Visit megaphone.fm/adchoices

Poetry and Sounds of the Anza Borego Desert Learn more about your ad choices. Visit megaphone.fm/adchoices

One of nature's most destructive forces has inspired a new technology. Learn more about your ad choices. Visit megaphone.fm/adchoices