Explore where barn owls build their nests, from hidden natural spots to repurposed structures, and understand the distinctive characteristics of their chosen sites.
Uncover the fundamental role of nitrogen in protein, from its essential structure and biological function to its crucial use in measuring protein content.
Discover which species have vanished in the modern era. Learn about the criteria for recent extinction and the underlying factors contributing to global biodiversity loss.
Understand and apply an ophthalmoscope for internal eye examination. This guide details proper usage, essential techniques, and responsible interpretation of basic observations.