Sawfish fossils suggest teeth likely evolved from body scales in ancient fish
Scientists have long debated the origins of teeth. Did they evolve from body scales that migrated into the mouths of ancient vertebrates and became adapted for eating—an idea known as the "outside-in" hypothesis? Or did they evolve independent of s.....»»
Fossil teeth suggest a long childhood is the prelude to the evolution of a large brain
Compared to the great apes, humans have an exceptionally long childhood, during which parents, grandparents and other adults contribute to their physical and cognitive development. This is a key developmental period for acquiring all the cognitive sk.....»»
Simple model system can break down fibrils to investigate drugs for neurodegenerative diseases
The origin of many diseases such as Alzheimer's or Parkinson's can be found at the molecular level in our body, in other words, in proteins. In a healthy system, these proteins are responsible for numerous physiological functions......»»
More evidence that Europe"s ancient landscapes were open woodlands: Study finds oak, hazel and yew were abundant
In 2023 a research group from Aarhus University in Denmark found that light woodland and open vegetation dominated Europe's temperate forests before Homo sapiens. In a new study, recently published in the Journal of Ecology, they take a closer look a.....»»
Declassified spy images help locate ancient battle site
Archaeologists from Durham University and University of Al-Qadisiyah in Iraq have pinpointed the location of a famous early Islamic battle using declassified spy satellite images......»»
Archaeologists excavate earliest known ancient Maya salt works
A team of archaeologists from LSU and the University of Texas at Tyler has excavated the earliest known ancient Maya salt works in southern Belize, as reported in the journal Antiquity......»»
Archaeologists find ancient cheese makers used tree leaves to boost milk production
A study published in Nature Ecology and Evolution sheds light on the innovative practices of Central Europe's early cheese makers......»»
Data suggest vast majority of Trump voters believe American values and prosperity are "under threat"
Almost nine out of 10 voters who supported Donald Trump for US President believe that America's values, traditions and future economic prosperity are under threat—double the number of Kamala Harris supporters......»»
New DNA evidence rewrites long-told stories of people in ancient Pompeii
When a volcanic eruption buried the ancient city of Pompeii, the last desperate moments of its citizens were preserved in stone for centuries......»»
Saturday Citations: Color vision created demand for colorful animals; observing black hole light echoes; deadlines!
This week, researchers hypothesized that human culture is distinguished from cultures of other species like whales by unique open-endedness—the ability to communicate and understand an infinite number of possibilities. An ancient unicellular organi.....»»
Cliff-top sites preserve ancient Aboriginal heritage on the River Murray
New research by Flinders University researchers, conducted in partnership with the River Murray and Mallee Aboriginal Corporation (RMMAC), has documented ancient archaeological sites on the cliff-tops in the region between Morgan and Overland Corner.....»»
Coral reef fish running out of time to recover at Great Barrier Reef islands, research warns
A study has found concerning new evidence of long-term declines in coral reef fish around highly visited inshore islands of the Great Barrier Reef......»»
Indigenous elders and ritual specialists help to unlock the meaning of ancient Amazonian rock art
Archaeologists documenting tens of thousands of rock art motifs in the Colombian Amazon have been consulting with Indigenous elders and ritual specialists to help interpret their meaning......»»
On-again off-again: Apple Ring project may not be dead
The long-rumored Apple Ring continues to generate buzz as industry insiders speculate on its potential to reshape health tech, despite uncertainty around its release.Samsung's Galaxy RingWearable technology has evolved rapidly, with smartwatches and.....»»
Q&A: Looking at ancient Roman plagues through an environmental lens
A pit of human bones, potential evidence of a catastrophic epidemic that struck Constantinople in 541 A.D. Sulfur deposits trapped in polar ice, showing traces of a series of massive volcanic eruptions. For Brandon McDonald, these seemingly incongruo.....»»
Oldest depictions of fishing discovered in Ice Age art: Camp site reveals 15,800-year-old engravings of fish trapping
The Ice Age camp site of Gönnersdorf on the banks of the Rhine has revealed a groundbreaking discovery that sheds new light on early fishing practices. New imaging methods have allowed researchers to see intricate engravings of fish on ancient schis.....»»
Evolutionary anthropologist presents hypothesis about why humans are dominating the world over other animals
Why is human culture—the shared body of knowledge passed down across generations—so much more powerful than animal cultures?.....»»
Australian dragon study reveals surprising link between motor systems control and sleep rhythms
Sleep is one of the most mysterious, yet ubiquitous components of our biology. It has been described in all major groups of animals, including worms, jellyfish, insects or cephalopods, and in all vertebrates, from fish to humans. Common characteristi.....»»
Ancient unicellular organism indicates embryonic development might have existed prior to animals" evolution
Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before the appearance of the first animals......»»
Team develops non-invasive biosensor for early kidney disease detection
Traditionally, kidney health has been monitored by measuring blood creatinine levels, which indicate muscle breakdown. High creatinine levels can suggest that the kidneys are not filtering waste efficiently. However, creatinine levels can be affected.....»»
A new Samsung Galaxy Ring may launch sooner than expected
Though there's no word yet on when it might release, leaks suggest the Galaxy Ring 2 could be here sooner than anyone expected......»»