Search Results - anatomy

Ancient Chimeras Were Suction Feeders, Not Shell Crushers

Iniopera reconstruction. Credit: Richard Dearden / University of BIrmingham A rare three-dimensional fossil of an ancient chimera has revealed new hints of the diversity of these creatures in the Carboniferous time, some 300 million years ago. Ancient chimera A research study led by the Muséum national d'histoire naturelle (MNHN) and the University of Birmingham revealed an ancient...

Genetic Changes Connected to Surface Area Explain Why Modern Humans Developed Bigger Brains

Credit: Annelisa Leinbach An increase in genetic regulatory aspects explains how modern humans evolved bigger brains than other hominins. The surface area of the human being's cerebral cortex is more than 3 times the dimension of that of the chimpanzee. Neuroscientists have found that particular gene variants are linked to increases in brain surface area. The...

Researchers Uncover Evidence of What May Be Earth’s First Mass Animal Extinction

Aaron Foster/Getty Images Ever since the Cambrian blast 538.8 million years earlier-- a time when most of the animal phyla we're familiar with today were established-- 5 significant mass extinction events have whittled down the biodiversity of all creatures, great and tiny. Researchers from the United States have uncovered proof of one happening earlier, around 550...

Three Elements that Could Describe Why Some Snails Endured the end-Triassic Mass Extinction Occasion

The Heterobrachia was little affected by the end-Triassic mass extinction, possibly because of a flexible mode of feeding of the larvae, an adaptation to relatively warm temperatures, and a flexible attachment of the mantle that allowed for covering the shell. Credit: Mariel Ferrari, CC-BY 4.0 (creativecommons.org/licenses/by/4.0/) A set of investigators, one with Instituto Patagónico de...

Bees and Hoverflies Gobble False Pollen, Profiting Both Insect and Plant

A hoverfly exits the blossom of a Cypripedium wardii orchid after having fed on its pseudopollen (whitish powder visible at the lip of the pouchlike blossom). Credit: ZHENG CHEN-CHEN Research suggests pollinators, like bees and hoverflies, find the fake pollen of at least one orchid species delicious. Orchids are among the most untrustworthy flowering plants on...

Did Male and Female Dinosaurs Differ? A New Analytical Strategy is Helping Address the Inquiry

How can researchers tell if male and female dinosaurs, like the stegosaur, were different? Credit: Susannah Maidment et al. & Natural History Museum, London, CC BY In many animal varieties, males and also women vary. This is true for individuals and various other mammals. Along with numerous species of birds, fish, and reptiles. However, what concerning dinosaurs?...

Metabolic Deficiencies Found Among Migrant Settlers in Colonial Australia

Credit: News Medical. In one of the first studies of its kind, Australian researchers have researched the health and economic status of a collection of migrant settlers to colonial South Australia from an evaluation of skeletal remains at the Anglican Parish of St Mary's in Adelaide. The brand-new study, released in reputed international publication PLOS ONE...

Cow’s Milk Healthy Protein Can Activate Swelling in Multiple Sclerosis Sufferers

Several sclerosis patients commonly suffer extra serious illness signs after consuming milk products. Researchers at the Colleges of Bonn as well as Erlangen-Nuremberg have actually currently located a feasible cause for this. According to the study, a protein in cow's milk can trigger swelling that targets the "protecting layer" around the afferent neurons. The research...

Pfizer COVID-19 Vaccine Linked With Raised Risk of Carditis (Heart Inflammation)

Illustration of a healthy human heart. Credit: Liya Graphics/ Shutterstock Regardless of reduced absolute risk, Pfizer/BioNTech BNT162b2 COVID-19 vaccine linked with a raised risk of carditis. Considerably increased risk in teenagers after the second dosage may call for sophisticated vaccination strategies. A case-control research study found an elevated relative risk of carditis associated with BNT162b2 (also known...

Project Hail Mary Review: Andy Dam invokes a Brand-new Tale of Space Danger

Astronaut reaching for a light. Credit: Andy Buchanan / Alamy Clare Wilson, a medical reporter, says that she has been a fan of apocalyptic sci-fi since her teenage years. She was hooked by the 1950s classic The Day of the Triffids by UK author John Wyndham. Instead of discouraging her, the COVID-19 pandemic fed her...