検索キーワード： ナレーター "Erin Moon" 科学・工学

For the larger-than-life personalities now staking their fortunes on the development of rocket ships, the new race to explore space could be a dead end, a lucrative opportunity - or the key to humanity's salvation. Elon Musk and Jeff Bezos take center stage in this fast-paced narrative as they attempt to disrupt the space economy, feed their own egos, and maybe even save the world.

Laurie Zaleski never aspired to run an animal rescue; that was her mother Annie’s dream. But from girlhood, Laurie was determined to make the dream come true. Thirty years later as a successful businesswoman, she did it, buying a 15-acre farm deep in the Pinelands of South Jersey. She was planning to relocate Annie and her caravan of ragtag rescues - horses and goats, dogs and cats, chickens and pigs - when Annie died, just two weeks before moving day. In her heartbreak, Laurie resolved to make her mother’s dream her own.

Beavers, those icons of industriousness, have been gnawing down trees, building dams, shaping the land, and creating critical habitat in North America for at least a million years. Once one of the continent's most ubiquitous mammals, they ranged from the Atlantic to the Pacific, and from the Rio Grande to the edge of the northern tundra. Wherever there was wood and water, there were beavers - 60 million (or more) - and wherever there were beavers, there were intricate natural communities that depended on their activities.