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A dusty atmosphere caused extreme global cooling
PHYS.ORG In recent Earth history, climate has varied following ~100,000 year, glacial-interglacial cycles with higher and lower temperatures and greenhouse gas concentrations. During the coldest glacial conditions, global mean temperatures were about 5 °C cooler... 13 minutes
A statistical look at the probability of future major wars
PHYS.ORG Aaron Clauset, an assistant professor and computer scientist at the University of Colorado, has taken a calculating look at the likelihood of a major war breaking out in... 38 minutes
LiDAR Survey Reveals Numerous Ancient Maya Structures in Guatemalan Jungle
SCI-NEWS.COM An ambitious LiDAR (light detection and ranging) survey of forested areas in Guatemala has revealed more... 4 hours
Digestive ability of ancient insects could boost biofuel development
PHYS.ORG A study of the unusual digestive system of an ancient group of insects has provided new insights into future biofuel production. 5 hours
First African child vaccinated with new typhoid conjugate vaccine
NEWS MEDICAL Today the University of Maryland School of Medicine's Center for Vaccine Development is proud to be part of vaccine history in Africa. 9 hours
Infant skull binding shaped identity, inequality in ancient Andes
PHYS.ORG The idea of binding and reshaping a baby's head may make today's parents cringe, but for families in the Andes between 1100-1450, cranial modification was all the rage. 16 hours
Copper Age Iberians 'exported' their culture -- but not their genes -- all over Europe
SCIENCE DAILY Prehistoric Iberians 'exported' their culture throughout Europe, reaching Great Britain, Sicily, Poland and all over central Europe in... 18 hours
Ancient-DNA researchers surpass the 1,000-genome milestone
SCIENCE DAILY In the last eight years, the field of ancient DNA research has expanded from just one ancient human genome to more than 1,300. The latest 625 of those genomes debut Feb. 21 in Nature, including the... 18 hours
Laser technology takes Maya archeologists where they've never gone before
SCIENCE DAILY With the help of airborne laser mapping technology, a team of archeologists is exploring on a larger scale than ever before the history and spread of settlement at... 19 hours
Housing problems found to be common at safety-net community health centers
SCIENCE DAILY A new study finds that more than 40 percent of patients treated at community health centers in the United States have a history of housing problems. 19 hours
Climate warming drives local extinction: Evidence from observation and experimentation
Science Magazine Despite increasing concern about elevated extinction risk as global temperatures rise, it is difficult to confirm causal links between climate change and extinction. By coupling 25 years of... 19 hours
Are we in the middle of a long peace—or on the brink of a major war?
Science Magazine Study uses history, statistics to see whether our current era of harmony is an anomaly 19 hours
Laser technology takes Maya archeologists where they've never gone before
PHYS.ORG With the help of airborne laser mapping technology, a team of archaeologists, led by University of Arizona professor Takeshi Inomata, is exploring on a larger scale than ever... 20 hours
Ancient DNA tells tales of humans' migrant history
SCIENCE DAILY Fueled by advances in analyzing DNA from the bones of ancient humans, scientists have dramatically expanded the number of samples studied -- revealing vast and surprising migrations and genetic mixing of populations... 20 hours
Ancient DNA tells tales of humans' migrant history
PHYS.ORG Scientists once could reconstruct humanity's distant past only from the mute testimony of ancient settlements, bones, and artifacts. 20 hours
Did humans speak through cave art? Ancient drawings and language's origins
SCIENCE DAILY When and where did humans develop language? To find out, look deep inside caves, suggests a professor. 20 hours
Dead Sea Scrolls deciphered: esoteric code reveals ancient priestly calendar
PHYS.ORG About 1,000 Dead Sea Scrolls discovered just over 70 years ago near Khirbet Qumran on the northwestern shore of the Dead Sea have been officially published since the... 1 day
New paper links ancient drawings and the origins of language
PHYS.ORG When and where did humans develop language? To find out, look deep inside caves, suggests an MIT professor. 1 day
Cracking the genetic code for complex traits in cattle
SCIENCE DAILY The global 1000 Bull Genomes Consortium identified the genetic basis for accurately predicting the complex trait of height across cattle and dairy breeds by pooling large genomic datasets and phenotypes... 1 day
Electric car market jumpstarts cobalt prices
PHYS.ORG Cobalt is hitting historically high prices fuelled by the automobile industry, which needs the rare metal to make light and durable electric batteries. 1 day
The writing on the wall
MIT Did humans speak through cave art? New paper links ancient drawings and language’s origins. 1 day
Distant tropical storms have ripple effects on weather close to home
SCIENCE DAILY Researchers report a breakthrough in making accurate predictions of weather weeks ahead. They've created an empirical model fed by careful analysis of 37 years of historical... 2 days
The Brutal History of Japan’s ‘Comfort Women’
HISTORY Between 1932 and 1945, Japan forced women from Korea, China and other occupied countries to become military prostitutes. 2 days
jwst to reveal secrets of the red planet JWST to Reveal Secrets of the Red Planet
ASTRO WATCH The planet Mars has fascinated scientists for over a century. Today, it is a frigid desert world with a carbon... 2 days
Pulsating aurora mysteries uncovered with help from NASA's THEMIS mission
PHYS.ORG Sometimes on a dark night near the poles, the sky pulses a diffuse glow of green, purple and red. Unlike the long, shimmering veils of typical auroral displays,... 2 days
In Photos: How John Glenn Made History on 1st US Orbital Flight Mercury-Atlas 6
SPACE.COM On Feb. 20, 1962, NASA astronaut John Glenn became the first American to orbit the Earth. See behind-the-scenes shots of... 2 days
Can you eat cells? Computer model predicts which organisms are capable of phagocytosis
PHYS.ORG A team of American Museum of Natural History researchers has created a computational model capable of predicting whether or not organisms have... 2 days
James Webb Space Telescope to reveal secrets of the Red Planet
PHYS.ORG The planet Mars has fascinated scientists for over a century. Today, it is a frigid desert world with a carbon dioxide atmosphere 100 times thinner than... 2 days
Who Created These Strange, Ancient Sculptures Hidden in the Saudi Desert?
LIVE SCIENCE There's a place in the desert where the ghosts of camels seem to loom out of ancient rocks. 2 days
Scientists Complete Butterfly Evolutionary Tree
SCI-NEWS.COM An international team of lepidopterists has compiled the most comprehensive evolutionary tree for butterflies to date. The results appear in the journal Current Biology. Dr. Akito... 2 days
Ancient Statue of Nubian King Found in Nile River Temple
LIVE SCIENCE Remains of the 2,600-year-old statue with an inscription written in Egyptian hieroglyphics turned up in a temple at Dangeil. 2 days
Poland illegally logged in ancient forest: EU court advisor
PHYS.ORG Poland's rightwing government broke the law by logging in one of Europe's last primeval forests, the legal advisor to the EU's top court said Tuesday, setting up a new clash... 2 days
Emancipated blacks often targeted for relocation to the tropics
PHYS.ORG The narratives of black emancipation and white settlement are usually separated in U.S. and Canadian history, but they are actually intertwined, says a University of Illinois history professor. 2 days
The Real Way Ancient Priests Sacrificed Animals at the Roman 'Gate to Hell'
LIVE SCIENCE Turns out, the supernatural force that suffocated the animals was not from well-meaning gods but rather Mother Nature. 2 days
Ancient human remains, Ice Age animal bones found in giant Mexican cave
REUTERS MEXICO CITY (Reuters) - Archaeologists exploring the word's biggest flooded cave in Mexico have discovered ancient human remains at least 9,000 years old and... 2 days
Immune history influences person's response to flu vaccine
NEWS MEDICAL New research on why the influenza vaccine was only modestly effective in recent years shows that immune history with the flu influences a person's response to the vaccine. 2 days
New chapter: a landmark move for Greece's national library
PHYS.ORG Wearing masks and gloves, specialised staff gingerly place their treasured cargo inside wheeled, shock-absorbing boxes for a historic trip to the other end of Athens in the biggest book move... 2 days
Stuck in an opioids crisis, officials turn to acupuncture
ABC NEWS Ancient acupuncture is increasingly used as weapon in the nation's struggle with opioids 2 days
Traces of indigenous 'Taíno' in present-day Caribbean populations
SCIENCE DAILY A thousand-year-old tooth has provided the first clear genetic evidence that the Taíno -- the indigenous people whom Columbus first encountered on arriving in the New World -- still have living descendants... 3 days
Study: First Land Plants Appeared 500 Million Years Ago
SCI-NEWS.COM According to a new study to be published in the Proceedings of the National Academy of Sciences, the... 3 days
Plants colonized the Earth 100 million years earlier than previously thought
PHYS.ORG For the first four billion years of Earth's history, our planet's continents would have been devoid of all life except microbes. 3 days
Secret to Great Pyramid's Near Perfect Alignment Possibly Found
LIVE SCIENCE Though slightly lopsided, the towering, Great Pyramid of Giza is an ancient feat of engineering. Here's one of its secrets. 3 days
Modern tech unravels mysteries of Egyptian mummy portraits
SCIENCE-NEWS A museum exhibit showcases what modern analytical tools can reveal about ancient Egyptian funerary portraits and mummies. 3 days
Mix of metals in this Picasso sculpture provides clues to its mysterious origins
SCIENCE-NEWS The alloys used to cast Picasso’s bronze sculptures provide a valuable piece of the puzzle in reconstructing the histories of the works... 3 days
Beneath Biblical Prophet's Tomb, An Archaeological Surprise
LIVE SCIENCE Deep inside looters' tunnels dug in the ancient Iraq city of Nineveh, archaeologists have uncovered 2,700-year-old inscriptions that describe the rule of an Assyrian king. 4 days
Scientists Explore Ties Between Alzheimer's And Brain's Ancient Immune System
NPR Their first epiphanies came during musings over beer, and evolved into a decade of teamwork. Two Harvard researchers explain why they think Alzheimer's disease may be traced to... 4 days
soft tissue fossil clues could help search for ancient life on earth and other planets Soft Tissue Fossil Clues Could Help Search for Ancient Life on Earth and Other Planets
ASTRO WATCH Fossils that preserve entire organisms (including... 5 days
Soft tissue fossil clues could help search for ancient life on Earth and other planets
SCIENCE DAILY Fossils that preserve entire organisms (including both hard and soft body parts) are critical to our understanding of... 6 days
Window Wars in Space: Quest for the 'Big View' High Above Earth
SPACE.COM Blue Origin's New Shepard suborbital capsule features the biggest windows in spaceflight history, company representatives say — and that's a big part of the... 6 days
Soft tissue fossil clues could help search for ancient life on Earth and other planets
PHYS.ORG Fossils that preserve entire organisms (including both hard and soft body parts) are critical to our understanding of... 7 days
The Real History Behind the Black Panther
HISTORY Looking behind the curtain of Marvel's wealthiest superhero. 7 days
Researchers challenge claims that sugar industry shifted blame to fat
SCIENCE DAILY In recent years, high-profile claims in the academic literature and popular press have alleged that the sugar industry paid scientists in the 1960s to play down the link... 7 days
Genes that turn off after death, and debunking the sugar conspiracy
Science Magazine Some of our genes come alive after we die. David Grimm—online news editor for Science—talks with Sarah Crespi about which genes are active after death and... 7 days
Researchers challenge claims that sugar industry shifted blame to fat
PHYS.ORG In recent years, high-profile claims in the academic literature and popular press have alleged that the sugar industry paid scientists in the 1960s to play down the link... 7 days
Strong tides may have pushed ancient fish to evolve limbs
Science Magazine Simulations reveal that high tides occurred where “transitional” fossils have been found 7 days
Did Crystals from Ancient Lakes on Mars Form These Tiny, Weird Things?
SPACE.COM NASA's Curiosity rover on Mars found tiny, dark bumps on a Martian ridge like those found around gypsum crystals that form in drying lakes... 1 week
Partial Solar Eclipse Occurs Thursday at the Bottom of the World
SPACE.COM On Thursday (Feb. 15), the first eclipse of the sun since last summer's historic solar event will take place. 1 week
Scattered wave imaging of the oceanic plate in Cascadia
Science Magazine Fifty years after plate tectonic theory was developed, the defining mechanism of the plate is still widely debated. The relatively short, simple history of young ocean lithosphere makes it an... 1 week
Unprecedented climate events: Historical changes, aspirational targets, and national commitments
Science Magazine The United Nations Paris Agreement creates a specific need to compare consequences of cumulative emissions for pledged national commitments and aspirational targets of 1.5° to 2°C global warming.... 1 week
DARPA Planning Responsive Launch Competition
SPACE.COM The Defense Advanced Research Projects Agency, which has a checkered history of supporting development of new launch vehicles, is planning to start a competition offering prizes for responsive launch systems. 1 week
History’s Oldest-Known Valentine Was Written in Prison
HISTORY A French medieval duke wrote the poem while taken prisoner for more than 20 years. 1 week
This Ancient Society Buried Disabled Children Like Kings
LIVE SCIENCE About 34,000 years ago, a group of hunters and gatherers buried their dead - including two boys with physical conditions - using the utmost care. However, these dead were buried in fairly... 1 week
What fluffy bunnies can tell us about domestication: It didn't go the way you think
PHYS.ORG It turns out that nobody knows when rabbits were domesticated. Despite a well-cited story of the domestic bunny's... 1 week
Chocolate Facts, Effects & History
LIVE SCIENCE Chocolate, the most popular sweet treat in the world, makes you feel good and it may be good for you, too. 1 week
Researchers discover missing ingredient from Earth's continental crust
PHYS.ORG Researchers from Curtin University have identified a missing ingredient in the composition of the continental crust, opening up a new chapter in the Earth's geological history. 1 week
Fossil Trackway Reveals Clues about Family Dynamics of Columbian Mammoths
SCI-NEWS.COM Columbian mammoths (Mammuthus columbi) may have moved like modern elephants with infants in matriarchal groups. That’s... 1 week
Building a DNA barcode library for the Canadian flora using herbarium collections
SCIENCE DAILY Researchers have built a DNA barcode library for the vascular plant flora of Canada based entirely on herbarium collections. DNA barcode libraries are important... 1 week
Understanding a fly's body temperature may help people sleep better
SCIENCE DAILY In findings that one day may help people sleep better, scientists have uncovered the first molecular evidence that two anciently conserved proteins in the brains of insects and... 1 week
NASA's longest running survey of ice shattered records in 2017
PHYS.ORG VIDEO Last year was a record-breaking one for Operation IceBridge, NASA's aerial survey of the state of polar ice. For the first time in its nine-year history, the mission,... 1 week
New findings about fruit fly's body temperature rhythms may help people sleep better
NEWS MEDICAL In findings that one day may help people sleep better, scientists have uncovered the first molecular evidence that two anciently conserved proteins... 1 week
Shifting shorelines at Lake Tahoe caused by ancient lava dams
SCIENCE DAILY Pleistocene basaltic lavas form a small volcanic field that was erupted from seven vents in the northwestern Lake Tahoe basin. Most of these lavas were erupted above the... 1 week
Shifting shorelines at Lake Tahoe caused by ancient lava dams
PHYS.ORG Pleistocene basaltic lavas form a small volcanic field that was erupted from seven vents in the northwestern Lake Tahoe basin. Most of these lavas were erupted above the... 1 week
In Ancient Grave, Skeletons Found Adorned with Spears, Ivory and Teeth
LIVE SCIENCE About 34,000 years ago, a group of hunters and gatherers buried their dead - including two boys with physical conditions - using the utmost care. However,... 1 week
Who should be held responsible for the Aliso Canyon gas leak?
PHYS.ORG A USC-led analysis of the Aliso Canyon gas leak determined corporate dysfunction by the SoCalGas Co. and lax regulatory oversight charted the path to the largest... 1 week
Elongated heads were a mark of elite status in an ancient Peruvian society
SCIENCE-NEWS Elites in ancient Peruvian society developed a signature, stretched-out head shape over several centuries. 1 week
What ancient footprints can tell us about what it was like to be a child in prehistoric times
PHYS.ORG Western society has a rather specific view of what a good childhood... 1 week
Surprising results from a unique bat study in the US reveal shifting behavioral patterns due to environmental change
PHYS.ORG Historical radar data from weather monitoring archives have provided unprecedented access to... 1 week
Five minute treadmill test can predict risk of mortality, research finds
NEWS MEDICAL Queen's University researcher Louise de Lannoy has determined a short, five minute treadmill test can predict the risk of mortality. This risk is determined independent of... 1 week
Family history of breast cancer increases risk even in aging women, research finds
NEWS MEDICAL Family history of breast cancer continues to significantly increase chances of developing invasive breast tumors in aging women -; those ages 65­... 1 week
Plant-based diet improves diabetes markers in overweight adults, study shows
NEWS MEDICAL A plant-based diet improves beta-cell function and insulin sensitivity in overweight adults with no history of diabetes, according to a new study published in Nutrients by researchers from... 1 week
Middle Earth preserved in giant bird dung
SCIENCE DAILY While the giant birds that once dominated New Zealand are all extinct, a study of their preserved dung (coprolites) has revealed many aspects of their ancient ecosystem, with important insights for ongoing conservation efforts. 1 week
Ancient trail of Columbian mammoths uncovered in south-central Oregon
SCIENCE DAILY A fossilized trackway on public lands in Lake County, Ore., may reveal clues about the ancient family dynamics of Columbian mammoths. Researchers who excavated a portion of the path found... 1 week
Ancient trail of Columbian mammoths uncovered in south-central Oregon
PHYS.ORG A fossilized trackway on public lands in Lake County, Oregon, may reveal clues about the ancient family dynamics of Columbian mammoths. 1 week
Hybrid optics bring color imaging using ultrathin metalenses into focus
PHYS.ORG For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras. 1 week
Middle Earth preserved in giant bird dung
PHYS.ORG While the giant birds that once dominated New Zealand are all extinct, a study of their preserved dung (coprolites) has revealed many aspects of their ancient ecosystem, with important insights for ongoing conservation efforts. 1 week
Shorter fitness test still accurately predicts risk of mortality
SCIENCE DAILY Researchers have determined a short, five minute treadmill test can predict the risk of mortality. This risk is determined independent of other traditional risk factors including age, weight, blood pressure,... 1 week
Tennessee program becomes first accredited wildlife and fisheries management concentration
PHYS.ORG The Society of American Foresters has granted accreditation to the wildlife and fisheries management concentration of study within the wildlife and fisheries science major in the College of... 1 week
Photos: 5,000-Year-Old Scratched Stones Could Be Ancient Maps
LIVE SCIENCE Stone fragments with patterns of lines scratched into them could be the earliest known maps in the world. 1 week
darpa planning responsive launch competition DARPA planning responsive launch competition
SPACE NEWS DARPA, which has a checkered history of supporting development of new launch vehicles, is planning to start a competition offering prizes for responsive launch systems. SpaceNews.com 1 week
Routing photons with a topological photonic structure
PHYS.ORG A team of researchers at the University of Maryland has found a new way to route photons at the micrometer scale without scattering by building a topological quantum optics interface. In their paper published... 1 week
Clay tablets from the cradle of civilisation provide new insight to the history of medicine
PHYS.ORG Before the Greeks excelled in science and philosophy, culture was blooming in Mesopotamia, located between the Euphrates River... 1 week
Ancient ozone holes may have sterilized forests 252 million years ago
SCIENCE-NEWS Swaths of barren forest may have led to Earth’s greatest mass extinction. 1 week
Launch of Superfast Russian Cargo Ship Mission Aborted at Last Minute
LIVE SCIENCE The launch of a Russian cargo ship bound for the International Space Station was aborted in the final minute Sunday (Feb. 11), just as it was... 2 weeks
Man Who Traveled to Watch Historic SpaceX Launch Found Dead in Motel
SPACE.COM The history-making launch of SpaceX's Falcon Heavy rocket, and its Tesla Roadster payload, on Tuesday (Feb. 6) drew crowds of reporters and enthusiasts, including... 2 weeks
Launch of Superfast Russian Cargo Ship Mission Aborted at Last Minute
SPACE.COM The launch of a Russian cargo ship bound for the International Space Station was aborted in the final minute Sunday (Feb. 11), just as it was... 2 weeks
Watery Worlds and Orbiting Autos: This Week's Top Space Stories
SPACE.COM A group of galaxies is moving so neatly through space that dark matter can't explain it; and the historic launch of the SpaceX Falcon Heavy rocket blew people's... 2 weeks
Man Who Traveled to Watch Historic SpaceX Launch Found Dead in Motel
LIVE SCIENCE Police are looking for a person of interest seen in motel surveillance video. 2 weeks
new horizons captures record breaking images in the kuiper belt New Horizons Captures Record-Breaking Images in the Kuiper Belt
ASTRO WATCH NASA’s New Horizons spacecraft recently turned its telescopic camera toward a field of stars, snapped an image –... 2 weeks
Humans Cared for Sick Puppies Long Ago, Ancient Burial Shows
LIVE SCIENCE Ancient people likely cared for a sick, domesticated pup for weeks on end before it died about 14,000 years ago during the Paleolithic era, a new study finds. 2 weeks
Cockroach ancient geographic and genomic history traced back to last supercontinent
SCIENCE DAILY Armed with a vast amount of genomic information, a team of researchers has performed the first molecular dating to gain the clearest picture yet of the... 2 weeks
NASA's longest running survey of ice shattered records in 2017
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