Abstract: It is shown that wipe distances of less than 10 mils produce stable contact resistance values at a normal force of 120 g for a hemisphere-flat geometry, even on dust-covered surfaces. An ...

Alanine in the zwitterion form participated in many biophysiological activities/processes that occurred in the human body, which is abundant with water. When introducing the normal form of l-alanine ...

This study took a different approach by looking at the trait of flexibility itself. The scientists assembled a database of archaeological sites showing human presence across Africa from 120,000 to ...

Science News: A new study reveals that ancient Homo sapiens possessed a unique adaptability, thriving in diverse and challenging environments across Africa before t ...

This story was first published on Jun. 18, 2025. It was updated on Jun. 19, 2025 to correct the spelling of one of the study’s authors in two places. Her name is Emily Hallett, not Emily Hallet. ___ ...

Early humans survived in a range of extreme environments before global migration, study says Humans are the only animal that lives in virtually every possible environment, from rainforests to ...

This combination of 2007, 2018 and 2012 photos shows, from left, the Cederberg mountain range in South Africa, the Tenere desert in Niger and savanna in South Africa. WASHINGTON (AP) — Humans ...

First Amendment: Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the ...

Early humans survived in a range of extreme environments before global migration, study says By CHRISTINA LARSON The Associated Press Updated: June 19, 2025 - 7:51 AM Published: June 18, 2025 - 8: ...