04:09
Its in the Water: Water's Chemical Structure
Water's unique chemical structure gives it much higher freezing and boiling points than would otherwise be the case. This has a great deal to do with Earth being as hospitable to life as it is. That same chemical structure also gives water exception...
07:03
Deep Connections: Tracers
A tracer is a property or substance that can be used to track the movement of individual water masses. While the utility of specific tracers varies according to the locale and circumstance, tracers as a group provide a rich source of information ab...