Researchers: Oldest Human Footprints in North America Are in New Mexico (September 27, 2021)Australia Lost One-Third of its Koalas in Last Three Years (September 26, 2021)US to Ease Travel Restrictions for Vaccinated Foreign Travelers (September 21, 2021)107-year-old Sisters from Japan Become Oldest Twins (September 21, 2021)J&J Says Second Shot of COVID Vaccine Adds Protection (September 21, 2021)Researcher: Cattle Can Be Trained to Use the Bathroom (September 18, 2021)Harry and Meghan Appear on Time '100 Most Influential' List (September 17, 2021)Australian Court: Media Companies Responsible for Comments on their Facebook Pages (September 16, 2021)Tanzania's Female President Appoints Woman as Defense Minister (September 19, 2021)Vietnam Speeds Up COVID-19 Vaccination Program (September 15, 2021)