In 2018 alone, the U.S. had over 31,000 overdoses from synthetic opioids like fentanyl. But what makes fentanyl so dangerous, and where did it come from?
A porcupine has been chewing holes in the walls of Ricko DeWilde's cabin. He and his family capture the porcupine and release it across the river before making repairs to the cabin.
Watch as the team maps the impacts of climate change on Mt. Everest in a way the world has never seen before to better understand the world’s highest glacier.
Enric Sala wants to change the world and he shows us how in his new book. Once we appreciate how nature works, he asserts, we will understand why conservation is economically wise and essential to our survival.
THE LAST ICE tells the story of the Inuit communities fighting to protect the disappearing Arctic that has been their ホーム for centuries. From National Geographic Pristine Seas, THE LAST ICE, premieres on National Geographic Channel this October.
1500 years before the construction of the Ming ダイナスティ ウォール was constructed, the Han ダイナスティ defended the borders of China from invaders with a Great ウォール of their own.
ブル sharks can swim from salt water into fresh water, and on the coast of South of Africa these sharks occasionally encounter Africa's deadliest animal, the hippo.
