Sunita Williams and Butch Wilmore returned to Earth after nearly ten months in space. They experienced several physical challenges including 'baby feet,' muscle atrophy, and loss of bone density.

This month marks the fifth anniversary of the pandemic. We asked students how their lives are different today because of it. By The Learning Network President Trump abruptly stopped providing ...

The mean and range of venous pressure values in the various body surface areas is presented. Attention is directed to the variability of these values, the constantly decreasing pressure gradient ...

Composed of more than 95% water, they have relatively simple bodies with no respiratory or circulatory system and only basic digestive and neurological functions. Despite their simplicity, jellyfish ...