Look deeply into someone’s eyes, and you may feel like you’re glimpsing into their innermost soul. But if those eyes happen to be gray, you’re gazing through one of the rarest windows in the world.
We dream of discovering hidden troves of gold - imaginary treasure chests overflowing with glittering coins and jewelry. But what if microscopic gold was right under our noses, woven into our very hair each day? It turns out our manes contain tiny traces of real gold, absorbed as we go about normal life.
Curled in a eucalyptus tree, a koala clutches branches while its dexterous digits pluck just the right tender leaves for snacking. Zooming in on those busy paws reveals whirling tiny ridges wrapping each finger pad much like our own - complete fingerprints with the power to identify koalas as unique beings.
Long before she was a pixilated princess guiding Link on fantastical quests, Zelda was a real-life literary darling of the early 20th century. The iconic video game heroine actually inherited her name from Jazz Age writer and socialite Zelda Fitzgerald, wife of The Great Gatsby scribe F. Scott Fitzgerald.
Strolling though a shaded Melbourne park, a gnarled tree with twisting branches catches your eye. Its solid presence exudes sage experience weathering city life’s commotion. So on a whim back home, you email this stalwart tree a friendly update on your week - and soon receive a thoughtful treemail response!
The rainbow spectrum of hues bathing our world holds beauty and mystery. Yet for a rare fraction of people, that palette appears far wider and richer. Thanks to quirks of genetics, some humans receive enhanced color vision known as tetrachromacy, a true superpower allowing people to distinguish 100 million shades - 100 times more than the rest rest of us.