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Paleoclimate of the Middle East

A study analyzing carbonate minerals in Soreq Cave, Israel, suggests the summer monsoon periodically impacted the region during the last interglacial period. The findings coincide with archaeological evidence of human migration out of Africa, implying paleoclimate may have influenced early human movement.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 25, 2019

Digging for answers

A recent study by Dana Bardolph found that female authors are underrepresented in American archaeology journals, accounting for less than 29% of published articles. The research suggests a pervasive gender bias in academia and publishing, with potential factors including authorial behavior and the submission process.

SourceUniversity of California - Santa Barbara·JournalAmerican Antiquity·DateNov 19, 2014

Scientists confirm tobacco use by ancient Mayans

Researchers analyzed Mayan containers for nicotine traces, revealing physical evidence of tobacco use dating back to the Late Classic Maya period (600-900 AD). The study confirms the intended use of an ancient container and highlights the importance of mass spectrometry in analyzing organic residues.

SourceWiley·JournalRapid Communications in Mass Spectrometry·DateJan 12, 2012

Were bigger brains really smarter?

Neurobiologist William H. Calvin argues that bigger brain size didn't lead to general intelligence improvements in human evolution. However, after a significant burst of creativity around 75,000 years ago, humans made rapid advancements in complex tasks like art and language.