Water, the substance critical for daily life and even our survival, is quite abundant on earth. But not all water on earth is usable for our needs. Even though the majority of the earth’s surface is water, only around 2.5% of that water is freshwater. The water we use for drinking, cleaning, production, and many other vital functions is freshwater. Since the earth’s freshwater reserves are limited and required for many human activities, we need to collectively work together as a species to make sure we conserve our water usage. Decreasing wasteful water usage also provides a financial incentive as it would save families money on their water bill…
Tag: water
The universe full of exoplanets
![](https://blogs.iu.edu/sciu/files/2018/01/PT_Confirmed-2inlc1g.jpg)
Our understanding of the formation of planetary systems has historically been based on the observations about our own Solar System. A planet is a roughly spherical object orbiting a star that has sufficiently strong gravity to clear its orbital path of other debris. The four terrestrial planets (Earth, Venus, Mercury, and Mars) of our Solar… Read more »
Deuterium: Heavy water, tiny probe
![](https://blogs.iu.edu/sciu/files/2017/01/SH3wCDprobes_2states_123116-2ere361.png)
My grandfather was a big fan of the old sitcom Hogan’s Heroes, and to some extent, I’ve inherited his taste in comedy. The episode which sticks out in my mind the most, centers around a heavily guarded barrel of water. Numerous rumors circulate about why the barrel of water is so important, including one that… Read more »