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.....»»
Cell contraction drives the initial shaping of human embryos, study finds
Human embryo compaction, an essential step in the first days of an embryo's development, is driven by the contractility of its cells. This is the finding of a team of scientists from CNRS, Institut Curie, Inserm, AP-HP and the Collège de France. Pub.....»»
Isotopic evidence reveals surprising dietary practices of ancient hunter-gatherers
It has long been thought that meat played an important role in the diet of hunter-gatherers before the Neolithic transition. However, due to the scarcity of well-preserved human remains from Paleolithic sites, little information exists about the diet.....»»
Gigantic Jurassic raptor footprints unearthed in China
Scientists have discovered the tracks of a 5 meter-long raptor dinosaur, challenging what was previously known about the species' size range......»»
A NASA rover has reached a promising place to search for fossilized life on Mars
While we go about our daily lives on Earth, a nuclear-powered robot the size of a small car is trundling around Mars looking for fossils. Unlike its predecessor Curiosity, NASA's Perseverance rover is explicitly intended to "search for potential evid.....»»
Explore a digitized collection of doomed Everest climber’s letters home
Collection includes three letters found on Mallory's body in 1999, preserved for 75 years. Enlarge / The final letter from George Mallory from Camp I, Mount Everest, to his wife Ruth Mallory, May 27, 1924. (credit: The Master and.....»»
War never changes: A Fallout fan’s spoiler-laden review of the new TV series
The show preserved the themes, archetypes, chronology, and more for the games. Enlarge / The nukes went off in 2077 in Fallout's universe. The show tells us more about this event than we've learned from the games before. (credit:.....»»
Renovation relic: Man finds hominin jawbone in parents’ travertine kitchen tile
Yes, travertine often has embedded fossils. But not usually hominin ones. Enlarge / Reddit user Kidipadeli75 spotted a fossilized hominin jawbone in his parents' new travertine kitchen tile. (credit: Reddit user Kidipadeli75).....»»
Paleontologists unearth what may be the largest known marine reptile
The fossilized remains of a second gigantic jawbone measuring more than two meters long has been found on a beach in Somerset, UK. Experts have identified the bones as belonging to the jaws of a new species of enormous ichthyosaur, a type of prehisto.....»»
Fossilized dinosaur eggshells can preserve amino acids, the building blocks of proteins, over millions of years
As a scientist, lab work can sometimes get monotonous. But in 2017, while a Ph.D. student of paleobiology at the University of Bristol in the U.K., I heard a gleeful exclamation from across the room. Kirsty Penkman, head of the North East Amino Acid.....»»
Mysterious bones may have belonged to gigantic ichthyosaurs
Several similar large, fossilized bone fragments have been discovered in various regions across Western and Central Europe since the 19th century. The animal group to which they belonged is still the subject of much debate to this day. A study carrie.....»»
Dinosaur study challenges Bergmann"s rule
When you throw dinosaurs into the mix, sometimes you find that a rule simply isn't......»»
Archaeologists illuminate ancient culinary practices using chemical biomarkers
Ceramic pots endure the corrosive effects of thousands of years, and organic remains preserved inside the pores can shed light on the culture, values, diets, and daily life of societies. This research is achieved with the help of biomarkers......»»
Stingray sand "sculpture" in South Africa may be oldest example of humans creating an image of another creature
South Africa's Cape south coast offers many hints about how our human ancestors lived some 35,000 to 400,000 years ago during the Pleistocene epoch. These clues are captured in the dunes they once traversed, today cemented and preserved in a rock typ.....»»
Genetic secrets from 4,000-year-old teeth illuminate the impact of changing human diets over the centuries
Researchers at Trinity College Dublin have recovered remarkably preserved microbiomes from two teeth dating back 4,000 years, found in an Irish limestone cave. Genetic analyses of these microbiomes reveal major changes in the oral microenvironment fr.....»»
Researcher proposes a new definition of a human embryo from a legal perspective
Iñigo de Miguel-Beriain, researcher in the UPV/EHU's Research Group on Social and Legal Sciences applied to New Technosciences, has published a paper in EMBO Reports in which he provides a legal perspective to help identify a universally accepted de.....»»
Research shows that five three-horned dinosaurs lived, and died, together
A team from Naturalis Biodiversity Center in the Netherlands was looking for a Tyrannosaurus in the summer of 2013 in Wyoming. Instead, they found a Triceratops: the famous dinosaur with the three horns and the large neck frill. And then they found a.....»»
Duckbill dinosaur discovery in Morocco: Expert unpacks the mystery of how they got there
Why are fossils of duckbill dinosaurs, a North American family, found in North Africa?.....»»
Largest fish in Missouri"s records caught in Lake of the Ozarks: A 164-pound "dinosaur"
A fisherman on the Lake of the Ozarks brought ashore a world-record paddlefish Sunday that weighed more than 164 pounds—the biggest paddlefish ever caught and the largest fish of any kind in Missouri's record books......»»
NatGeo’s Photographer flips the lens to focus on visual storytellers
Exclusive clip captures development and first heartbeat of chicken embryo inside a yolk. NatGeo's new series, Photographer gives us a glimpse behind the lens. National Geographic is justly renowned for its incredible photographs an.....»»
New discovery reveals how the egg controls sperm entry
After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo. This is according to a new study led by researchers at Karolinska Institutet a.....»»