The Debate over the United Nations’ Energy Emissions Projections

There is no question that climate change is reshaping Planet Earth and that things are getting ugly as global warming progresses. The debate now centers on just how bad things will get. But there are still major uncertainties when it comes to modeling future climate. Chief among them: How much more carbon dioxide […]

Two stones fuel debate over when America’s first settlers arrived

Scientific debate about the most controversial archaeological site in the Americas has entered rocky new territory. In 2017, scientists reported that around 130,000 years ago, an unidentified Homo species used stone tools to break apart a mastodon’s bones near what is now San Diego. If true, that would mean that humans or one of our […]

Plan to retrieve Titanic radio spurs debate on human remains

This 2004 image provided by the University of Rhode Island’s Institute for Exploration and Center for Archaeological Oceanography and the National Oceanic and Atmospheric Administration’s Office of Ocean Exploration shows the shoes of one of the possible victims of the Titanic disaster. A company’s plan to retrieve the Titanic’s radio has sparked a debate over […]