Testosterone in tusks: Hormones in mammoth fossils excite paleontologists
The technique could allow us to link mammoth health and nutrition to mating. Enlarge / Mammoth tusks collected at Wrangel Island, where some of the samples tested for hormones originated. (credit: Alexei Tikhonov) Musth,.....»»
Scientists discover all-optical nuclear magnetic resonance analog with quantum fluids of light
Researchers from Skoltech, the University of Warsaw, and the University of Iceland have demonstrated that by optical means it is possible to excite and stir an exciton-polariton condensate, which emits a linearly polarized light with a polarization a.....»»
Did the world"s best-preserved dinosaurs really die in "Pompeii-type" events?
Between about 120 million and 130 million years ago, during the age of dinosaurs, temperate forests and lakes hosted a lively ecosystem in what is now northeast China. Diverse fossils from that time remained pretty much undisturbed until the 1980s, w.....»»
"I"m a Doctor Who Studies Hormones, and This Is My #1 Tip for Getting Rid of Chicken Chin"
"I"m a Doctor Who Studies Hormones, and This Is My #1 Tip for Getting Rid of Chicken Chin".....»»
The mortality rate of bats at modern-day swimming pools is comparable to that at Messel 47 million years ago
More than 500 bat fossils have been discovered at the Messel Pit UNESCO World Heritage Site over 42 years. A new study, published today in the journal Palaeobiodiversity and Palaeoenvironments, investigates whether the high number of fossils is due t.....»»
A remarkable fossil assemblage gets a new interpretation
A team of paleontologists recently discovered that an ancient seascape known for its diverse assemblage of exceptionally preserved fossils represents an unexpected oceanic setting, placing the fossils in an environmental context that is dramatically.....»»
Young men are getting testosterone boosts to feel stronger, sharper, and anxiety-free
Young men are getting testosterone boosts to feel stronger, sharper, and anxiety-free.....»»
Saturday Citations: Reading comprehension; revisiting tardigrade orthodoxy; restoring universal symmetry
This week, physicists suggested that quantum entanglement may be really, really fast rather than instantaneous, and could be measured at an attosecond scale. Paleontologists discovered a fossilized mammal in Colorado that may have lived alongside din.....»»
Researchers piece together 66-million-year-old dinosaur fossils found in South Dakota
The groundbreaking discovery of a 66-million-year-old dinosaur continues to reveal itself years after a piece of it was first spotted, Missouri researchers said......»»
"Paleo-robots" provide an experimental approach for understanding how fish started to walk on land
The transition from water to land is one of the most significant events in the history of life on Earth. Now, a team of roboticists, paleontologists and biologists is using robots to study how the ancestors of modern land animals transitioned from sw.....»»
Paleontologists discover Colorado "swamp dweller" mammal that lived alongside dinosaurs
A team of paleontologists working near Rangely, Colorado, has uncovered a new (or, more accurately, very old) state resident—a fossil mammal about the size of a muskrat that may have scurried through swamps during the Age of Dinosaurs......»»
Mammalian fossils reveal how southern Europe"s ecosystem changed during the Pleistocene
Fossils from more than 600,000 years ago reveal how Southern Europe's animal community shifted between warm and cold climate fluctuations, according to a study published October 23, 2024 in the open-access journal PLOS ONE by Beniamino Mecozzi from t.....»»
De-extinction company provides a progress report on thylacine efforts
Stem cell editing, complete genome, and cane toad resistance mark necessary steps. Colossal, the company founded to try to restore the mammoth to the Arctic tundra, has also deci.....»»
Tracks left by a bird-sized dinosaur suggest it used wings to run faster
A small international team of biologists, geologists and paleontologists has found evidence that a bird-sized dinosaur from the early Cretaceous used its wings to run faster. In their study published in the Proceedings of the National Academy of Scie.....»»
Rare fossils of extinct elephant document the earliest known instance of butchery in India
During the late middle Pleistocene, between 300 and 400 thousand years ago, at least three ancient elephant relatives died near a river in the Kashmir Valley of South Asia. Not long after, they were covered in sediment and preserved along with 87 sto.....»»
Smallest dinosaur egg ever found confirmed in China
A team of paleontologists, geoscientists and evolutionary specialists affiliated with multiple institutions in China has found that a fossilized egg unearthed in 2021 is the smallest dinosaur egg ever found. In their paper published in the journal Hi.....»»
Fossil unearthed in Brazil is 237-million-year-old sister-group to Dinosauria
Paleontologist Rodrigo Temp Muller with Universidade Federal de Santa Maria, working with colleagues in Brazil, has confirmed the finding of one of the oldest dinosauromorph fossils ever uncovered in South America......»»
Scientists discover one of the Earth"s earliest animals in Australian outback
In the shadow of South Australia's largest mountain range beneath the outback soil lies a fossil record that reveals a rich history of life on Earth. Fossils found at Nilpena Ediacara National Park preserve a pivotal moment in the history of evolutio.....»»
Fossils and fires: Insights into early modern human activity in the jungles of Southeast Asia
Studying microscopic layers of dirt dug from the Tam Pà Ling cave site in northeastern Laos has provided a team of Flinders University archaeologists and their international colleagues with further insights into some of the earliest evidence of Homo.....»»
Monkey fossils found in cave shed light on the animals" extinction centuries ago
By studying rare fossils of jaws and other skull parts of a long-extinct Caribbean monkey, a team of researchers that includes a Johns Hopkins University School of Medicine professor says it has uncovered new evidence documenting the anatomy and ecol.....»»
New insights into sauropod evolution: Discovery of tail clubs in India
A new University of Michigan study of dinosaur fossils from India has revealed that the sauropod dinosaur Kotasaurus yamanpalliensis wielded a bony tail club......»»