Learning to track ... the lives and homes of animals. You must treasure this gift and respect the animals by being non-intrusive. Getting too close to animals can cause serious disturbances including: ...

This course provides an introduction to modern observational methods used in astronomy. Ground and space-based telescopes and detectors, imaging techniques and imaging, as well as spectroscopy, will ...

Cohort, cross sectional, and case-control studies are collectively referred to as observational studies. Often these studies are the only practicable method of studying various problems, for example, ...

Join this conversation with the Vows writer Rosalie R. Radomsky by Feb. 14 to find out. By The Learning Network A teacher whose students won last year’s competition shares the steps she followed.

they also affect the chemistry of the oceans. When saltwater absorbs carbon dioxide, it becomes acidic, which alters the aquatic animal ...

Nursing homes can conduct observational audits to support increased compliance with infection prevention practices, including hand hygiene and use of personal protective equipment. Observational ...

Humpback whale song is a striking example of a complex, culturally transmitted behavior, but up to now, there was little ...

Dutch scientist Leonie Cornips has become fascinated with how cows communicate. But can this really be called 'language'?

Bush schools in Africa serve as holistic vocational schools. African Bush schools are a bit like vocational or trade schools.

Animal Pictures and Facts Learn all you wanted to know about animals with pictures, videos, facts, news, and more. Composite photograph by Joel Sartore, National Geographic Photo Ark ...