All organisms need ATP to live. Respiration is only around 40 per cent efficient. As animals respire, heat is also released. In birds and mammals, this heat is distributed around the body by the ...

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse, but Universe 25's relevance to humans remains disputed. Created ...

Cells, like humans, cannot generate energy without locating ... and reproduction (Figure 1). Cellular nutrients come in many forms, including sugars and fats. In order to provide a cell with ...