The metals within the battery that carry ions also behave differently when the temperature changes, potentially compromising performance. Here's a list of some things known to struggle in the cold.

And he’s not the only one. Billionaire Twitter founder and Square CEO, Jack Dorsey, not only wakes up at 5 a.m., he also starts his day with an ice-cold bath.

Heavily soiled items, towels, bedding, whites, extra-germy things, and knits are better washed with warm or hot water. It's true that cold water does have its purpose for your weekly load of clothes.