Longer periods of extreme heat has been found to accelerate biological age in older adults by up to two years, according to new research.

First, there's radiation, which is simply the heat our body emits into the surrounding air. Imagine standing in a cold room; your body is like a radiator, constantly giving off warmth. Conduction ...

in order to facilitate body heat dissipation by radiation (Hill et al. 1980). Tolerance to extreme temperatures is not just a feat for homeotherms. Some poikilotherms are capable of doing this as ...