Researchers have identified a "tipping point" about 2.7 million years ago when global climate conditions switched from being relatively warm and stable to cold and chaotic, as continental ice sheets ...
Scientists in a recent research study have uncovered a surprising link between the 2.7 million-year-old climate tipping point and human evolution. The researchers led by the University of ...
The Earth is warming more rapidly than before, and extreme weather events are becoming more frequent and more intense. While global warming is mainly driven by carbon dioxide emissions, it is also ...
Like other living creatures, humans have been shaped by evolution. Over time, we have developed – and continue to develop – traits that help us survive.
National Research Council (U.S.) Board on Earth Sciences and Resources "The hominin fossil record documents a history of critical evolutionary events that have ultimately shaped and defined what it ...
A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...
The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Following vocal criticism of an initial revision to Iowa’s science education standards that stripped ...
WEEK. ALL RIGHT, JASON, THANKS SO MUCH. WELL, SOME IOWANS ARE RAISING CONCERNS ABOUT NEW PROPOSED STATE SCIENCE STANDARDS. THE IOWA DEPARTMENT OF EDUCATION’S PROPOSAL WOULD REMOVE THE PHRASE CLIMATE ...
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