Well-Preserved Embryo Found Inside Fossilized Dinosaur Egg
A rare look inside a fossilized dinosaur egg found in southern China has revealed an exquisitely preserved embryo -- and evidence suggesting that some of these prehistoric creatures had even more in common with modern birds than previously thought. F.....»»
Scientists Locate Likely Origin For the Dinosaur-Killing Asteroid
The asteroid credited with the extinction of the dinosaurs 66 million years ago is likely to have originated from the outer half of the solar system's main asteroid belt, according to new research by Southwest Research Institute (SwRI). Space.com rep.....»»
To find evidence of life on Mars, we should look to its moon Phobos
A new study suggests if there ever was life on Mars, evidence of it could be preserved on the Martian moon Phobos......»»
Breakthrough in cell mechanics discovers abnormal embryo elongation and suggests possibilities for treatment
Fetal abnormalities are of concern to all prospective parents, and many of these problems originate from abnormalities in the development of the embryo particularly during its elongation and division......»»
Two new genera and species of conifers from upper Cretaceous discovered in Hokkaido, Japan
Illustrations depicting the dinosaur era—whether in books or movies—are often accompanied by lush greenery. During the Cretaceous period, the trees commonly dominating a wide range of Earth's terrestrial environments were conifers—similar to th.....»»
A spider"s erection, and other cool things trapped in amber - CNET
The translucent substance literally offers a window for seeing back millions of years. Here, a few of the most amazing sights the fossilized resin has sealed in time......»»
Chile"s ancient mummies added to UN heritage list
Chile's Chinchorro mummies, the oldest in the world to have been purposefully preserved by humans, were added to UNESCO's World Heritage List on Tuesday......»»
Decoding the secrets of a 310 million-year-old brain
Unlike bones and shells, which can endure for millions of years, soft tissues are rarely preserved as fossils......»»
Ancient, newly identified "mammoth weevil" used huge "trunk" to fight for mates
Oregon State University research has identified a 100-million-year-old weevil unlike any other known fossilized or living weevil......»»
Huge Jurassic seabed uncovered in Cotswolds quarry
One of the largest and most important finds of exquisitely preserved Jurassic echinoderms—spiny-skinned marine animals such as starfish and sea urchins—has been uncovered by a University of Birmingham Research Associate......»»
A foot tumor and two tail fractures complicated the life of this hadrosaur
When it was discovered in the 1980s in Argentina, this hadrosaur was diagnosed with a fractured foot. However, a new analysis now shows that this ornithopod commonly known as the duck-billed dinosaur actually had a tumor some 70 million years ago, as.....»»
Oldest fossils of methane-cycling microbes expand frontiers of habitability on early Earth
A team of international researchers, led by the University of Bologna, has discovered the fossilized remains of methane-cycling microbes that lived in a hydrothermal system beneath the seafloor 3.42 billion years ago......»»
A New Era of Designer Babies May Be Based on Overhyped Science
Genetic testing with IVF is being marketed as a means to choose a healthy embryo, despite questions about the soundness of the technology -- Read more on ScientificAmerican.com.....»»
Curiosity investigates how rocks on Mars could preserve signs of life
A new study using data from the Curiosity rover has shed light on what indicators of life have been preserved or destroyed through the history of Mars......»»
Curiosity rover finds patches of rock record erased, revealing clues
A new paper enriches scientists' understanding of where the rock record preserved or destroyed evidence of Mars' past and possible signs of ancient life......»»
New fossil sheds light on the evolution of how dinosaurs breathed
An international team of scientists has used high-powered X-rays at the European Synchrotron, the ESRF, to show how an extinct South African dinosaur, Heterodontosaurus tucki, breathed. The study is published in eLife on 6 July 2021......»»
The City of David and the sharks" teeth mystery
Scientists have found an unexplained cache of fossilized shark teeth in an area where there should be none—in a 2900 year old site in the City of David in Jerusalem. This is at least 80 km from where these fossils would be expected to be found. The.....»»
Scientists publish a how-to guide for creating mouse-human chimeric embryos
A year after University at Buffalo scientists demonstrated that it was possible to produce millions of mature human cells in a mouse embryo, they have published a detailed description of the method so that other laboratories can do it, too......»»
Spatial patterns of gene transcripts captured across single cells of mouse embryo
A new technique called sci-Space, combined with data from other technologies, could lead to four-dimensional atlases of gene expression across diverse cells during embryonic development of mammals......»»
Embryo freezing for IVF appears linked to blood pressure problems in pregnancy
A large cohort study drawn from the national IVF registry of France, which included almost 70,000 pregnancies delivered after 22 weeks gestation between 2013 and 2018, has found a higher risk of pre-eclampsia and hypertension in pregnancies derived f.....»»
Searching 230-Million-Year-Old Poop, Scientists Find a New Beetle
A new species emerged from three-dimensional x-rays of droppings left by a close dinosaur relative -- Read more on ScientificAmerican.com.....»»