Tag Archives: study

A new study led by the American Museum of Natural History (AMNH) provides the strongest evidence to date that sharks arose from a group of bony fishes called Acanthodii (acanthodians, or ‘spiny sharks’). General view of the Doliodus problematicus specimen, showing the ventral part of the individual viewed in dorsal …

According to a new study published in The Science of Nature, the annual prey kill of the global spider community is in the range of 400-800 million metric tons (fresh weight), with insects and springtails composing more than 90% of the captured prey. Jumping spider Phidippus mystaceus feeding on a …

Stone Temple Consulting has published a new study supporting Google’s claim that it doesn’t use Chrome browser data for discovering new URLs for its search index. The test was pretty simple: They created a “couple of pages that Google didn’t know about,” then they had “a bunch of people visit …

Lactobacilli, a group of probiotic bacteria that ferment milk into yogurt and aid in the digestive process in the body, can reverse depression-like behavior and anxiety in mice, according to a new study published in the journal Scientific Reports on March 7, 2017. Lactobacillus reuteri bacteria (blue). Image credit: Alistair …

A team of scientists at Indiana University, Bloomington, has identified 24 compounds — including caffeine, retinoic acid, and rolipram — with the potential to boost an enzyme in the brain shown to protect against dementia. Indiana University Professor Hui-Chen Lu and co-authors have identified 24 compounds that increase the brain’s …

Adult and juvenile fossil specimens of Isostylomys laurdillardi, a giant rodent that lived in South America between 9 and 6.8 million years ago (Miocene epoch), have been found by paleontologists, raising questions about classification within the rodent family Dinomyidae. Isostylomys laurdillardi. Image credit: Andres Rinderknecht et al. Dr. Andres Rinderknecht …

Hatzegopteryx, a flying reptile with a 10-m wingspan and a mass of 220 kg, was the dominant predator in what is now Romania between 72-66 million years ago, according to a study by paleontologists in the UK. Hatzegopteryx, depicted here as a short-necked, powerful predator, consumes the dwarf dinosaur Zalmoxes …

A study led by Carnegie Mellon University researchers provides the first biological evidence to explain how marriage impacts health. According to Brian Chin et al, married people have lower cortisol levels and steeper slopes than the unmarried ones. Image credit: Olessya. Carnegie Mellon University Professor Sheldon Cohen and co-authors found …

According to a new study by Yale School of Medicine researchers, fructose is converted in the human brain from glucose. The finding, published in the journal JCI Insight, raises questions about fructose’s effects on the brain and eating behavior. Fructose, a simple sugar, is generated in the human brain, according …

Women tend to react with stronger responses to immune challenges while pregnant with girls than with boys, a new study published in the journal Brain, Behavior and Immunity has found. The study by Mitchell et al shows baby’s sex is associated with pregnant women’s immune responses. A team of scientists …