Every year, Greenland’s ice sheet releases as much of this key marine nutrient as the mighty Mississippi releases into the Gulf of Mexico, says a new study.
Researchers identified 12 weather patterns across the region. Over the past 30 years, the 3 patterns bringing rain to the U.S. Southwest became less frequent.
Caution! At full volume, the sound of the strike is so loud that it could damage speakers or affect hearing if headphones are used. Story and video by Peter Lowenstein in Mutare, Zimbabwe.
New insights into ancient Earth’s early structure from diamonds formed 3.5 billion years ago. A scientist called diamonds "the perfect little time capsules."