Circulatory system: Blood vessels Laid end-to-end, an adult's arteries, veins and capillaries would stretch for about 100,000 miles - enough to wrap around the world nearly four times.

As the video zooms in on some of the most active and interesting currents around the globe, the NASA oceanographer Josh Willis details how this aquatic circulatory system affects human life, from ...

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An intelligent video surveillance system was used in this study to evaluate the physical appearance of broilers in a poultry house. Comb color was studied during the long chicken growth phase, and ...

In light of the coronavirus pandemic, maintaining a connection with the natural world is more important than ever to ensure we're taking good care of our health and wellbeing. We know that people who ...