On the Popular Science homepage, identify the authors of the three most recently published articles under the 'Latest News' section. Additionally, list all the subcategories that appear when you interact with the 'Environment' main category in the navigation menu. State both sets of information.
Navigate to the Popular Science homepage (popsci.com). Locate the 'Latest News' section. Identify and extract the author's name for the first (most recent) article listed. Identify and extract the author's name for the second most recent article listed. Identify and extract the author's name for the third most recent article listed. Locate the 'Environment' link in the main navigation menu. Click the 'Environment' link or interact with it to reveal its subcategories. List all the subcategories displayed under 'Environment'.
State the author of the first article under 'Latest News' as it appears on the live page. State the author of the second article under 'Latest News' as it appears on the live page. State the author of the third article under 'Latest News' as it appears on the live page. List all subcategories under 'Environment': Agriculture, Animals, Climate Change, Conservation, Energy, Sustainability, Weather.