Archive for November 2024

The Science Behind Human Endurance Capabilities

Among mammals, humans are known for having exceptional endurance. For example, persistence hunters can run for 2-5 hours to wear out their prey, while marathoners routinely run ~4.5 hours on average (Schulte et al., 2015). Sure, a cheetah can run fast, but it can’t run as long as a human. How did humans develop such exceptional endurance? When vertebrates moved to dry land, they needed to develop lungs to extract […]

Continue Reading →

Time Machine: Nutritive significance of amino acids

In this Time Machine post, we travel back to 1938 to check out a manuscript on the importance of amino acids in nutrition authored by Dr. William Cumming Rose (1887-1985), professor of biochemistry at the University of Illinois, published in Physiological Reviews. His research on the importance of amino acids in the physiology of an organism culminated in 124 research, review or biographical articles and his receipt of the National […]

Continue Reading →

Little-known functions of the spleen: Q&A with Dr. Frank van Breukelen and Gilbecca Smith, University of Las Vegas

We are excited to feature Dr. Frank van Breukelen and his graduate student, Gilbecca Rae Smith, from the University of Las Vegas, Nevada. They presented exciting new research at the 2024 American Physiology Summit examining some little-known functions of the spleen.  Q: We often associate the spleen with its ability to filter blood and make white blood cells to fight infections. We don’t often consider the importance of its ability to […]

Continue Reading →

Finches and flies with a taste for blood

Predators with a taste for blood abound on the remote Galapagos Islands… Meet the Vampire Ground Finch 19 different species of finches can be found on the Galapagos Islands. Observations of their various beak shapes, specialized for different diets and purposes, helped Charles Darwin develop the theory of evolution. One species I do not recall learning about in Biology class, however, is the vampire ground finch (Geospiza septentrionalis), which can […]

Continue Reading →