the.com/seawater
Three-quarters of Earth, undrinkable, and quietly running the whole planet.
means The salty water filling the oceans, about 3.5 percent dissolved salts by weight.
from Plain Old English compound — sae plus waeter — naming the obvious thing humans have eyed warily since the first sailor got thirsty.
Drinking itDehydrates you; kidneys can't flush that much salt.
Hidden goldOceans hold tons of dissolved gold, hopelessly diluted.
Same recipeSalt ratios are near-identical in every ocean.
Inner seaBlood's saltiness echoes our marine ancestry.