Nature

Normally, its eyes are silver. But when the tiny Trinidadian guppy (Poecilia reticulata) gets all worked up, the eyes turn pitch black as a warning for other guppies to rack off, scientists have discovered. And they had a fun time finding this out.   Freshwater guppies – small, defenseless and popular as aquarium pets –…
June 05, 2018
In certain circles, including some of the ones I travel in, there’s great excitement about yesterday’s date. We won’t see its like again for another century.   What makes it so special? The date – 1/6/181 – lines up with the first four digits of the golden ratio, a mathematical constant that’s roughly equal to 1.618 and is commonly…
June 03, 2018