The adaptable pterosaur – the first flying vertebrate – lived in dark, polar conditions in what is now Australia, according to a new paper. The research identified two pterosaur bones more than 30 years after their initial discovery.The bones date to 107 million years ago, during the Cretaceous Period, when Australia formed a large southern landmass with Antarctica, New Zealand and South America. At that time, the Australian state of Victoria – where volunteers first found the fossils in t ...read more
The portrayal of a narcissist is everywhere in movies, books and even crime documentaries. Some of these archetypes are compelling. If you try to poll people on the streets on how they define a narcissist, they may come up with a string of flowery names such as self-centered, egotistic, vain, cocky and so on. In psychology, the term narcissism describes someone who has “an excessive love or admiration of oneself, often to the detriment of others,” says licensed psychotherapist Annie Wright ...read more
Europeans had never seen a hummingbird when they first arrived in the Americas. Because of their petite size and vibrant, beautiful coloring, they called the birds Joyas voladoras — flying jewels. Delicate as they are, they don't let their small size get in the way of being bold and unique in the animal kingdom. Here are some interesting facts about the world's favorite J. voldoras. Types of Hummingbirds(Credit:Ondrej Prosicky/Shutterstock) Of the over 330 species of hummingbirds worldwid ...read more
Some 1.7 billion Tyrannosaurus rex dinosaurs once roamed the earth, according to a new paper. But that wasn’t all at once – the paper’s model estimates that only 19,200 were alive at any one time, a more fitting number considering their role as top predators.The study follows research from 2021 that pegged the total number of T. rex dinosaurs at 2.5 billion. But the new paper’s author, Eva Griebeler – an evolutionary ecologist at the Johannes Gutenberg University Mainz – revised key ...read more
The skip in the human footstep – the flexing of the arch with each step – does little to help carry the body forward, a new study has found. Instead, it serves to keep the ankle upright, so that we walk in the characteristic way of human beings and not like other apes.The finding overturns conventional wisdom and may help in the treatment of people whose arches have become rigid due to illness or injury.“We thought originally that the spring-like arch helped to lift the body into the next ...read more
Author Vishay SinghPosted on Categories Discover Magazine
