#sexual-selection

#sexual-selection

Birds dazzle us with an extraordinary variety of colors and songs, signals that play a major role in how they communicate, attract mates, and evolve. Yet even after decades of research, many mysteries remain. Why do some males adopt drab plumage that makes them look more like females, despite the advantage of brighter colors in courtship? How do songs and plumage patterns influence not only the formation of new species, but also unexpected connections between them?

If you've been contemplating shaving your stubble, experts say it's time to put the razor down. From Brad Pitt to Prince William and Boris Johnson, many men look a lot better with a beard. However, scientific evidence shows that this isn't just a matter of personal taste. According to scientists, there is an evolutionary explanation for the 'beard glow up'.

But after comparing the preserved bones with a database of similar dinosaur back bones, it became clear the fossil was unique. Lockwood said: While the skeleton wasn't as complete as some of the others that have been found, no one had really taken a close look at these bones before unlike the others, this one had particularly long neural spines, which was very unusual.