I just thought of an end of the world nightmare scenario. What if bacteria developed the ability to metabolize salt? The bacteria reproduction rate would grow so fast that the oceans would become devoid of salt. The oceans would become freshwater, killing all the species, such as saltwater fish, clams, crabs, and lobster that have evolved to live in saltwater. This would cause a mass extinction of epic proportions.
This is very similar to an occurrence foretold in the New Testament:
New International Version
The second angel poured out his bowl on the sea, and it turned into blood like that of a dead person, and every living thing in the sea died. - Revelation 16:3
Scientists have discovered - evolution explains our origins, gravity explains why apples drop, solubility explains salt water and so on. Yet, scientists can't explain why particles exist. Science tells us about the Higgs boson, which some people call the "God particle," but why does there need to be this particle? There are answers to that question, but what about this one: why is there existence in the first place? Science can often tell us about the cosmos, and science may even say, "There is a cosmos because there is a Higgs boson," but why does the cosmos require the Higgs boson? The faithful say; it was G-d, yet under scrutiny the answers of science, religion, and history are full of empty answers. For instance, the faithful can't tell us why is there Gd in the first place. In all disciplines, one "why?" leads to another "why?" ad infinitum until we are forced to contemplate the absurdities of this world, such as why Hashem gave the Jews Torah, or why Allah gave Muslims a Qu'ran, etc.
