Ancient Roman coins thought to be fakes now authenticated
A new analysis of several Roman coins unearthed in 1713—long thought to be forgeries—suggests that they are authentic, providing evidence that the leader portrayed on one of the coins was indeed in power during the 260s CE. Paul Pearson of Univer.....»»
NASA tests deployment of Roman Space Telescope"s "visor"
The "visor" for NASA's Nancy Grace Roman Space Telescope recently completed several environmental tests simulating the conditions it will experience during launch and in space. Called the Deployable Aperture Cover, this large sunshade is designed to.....»»
Research shows that glossy black-cockatoos prefer to feed from trees growing in acidic soils
Glossy black-cockatoos are seed-eating birds that feed almost exclusively on the cones of drooping sheoak trees. However, counter-intuitively, they select trees that grow on the poorest soils found on ancient sedimentary rocks......»»
Study shows people associate kindness with religious belief
Experiments conducted by UC Merced researchers find that people who perform good deeds are far more likely to be thought of as religious believers than atheists. Moreover, the psychological bias linking kindness and helpfulness with faith appears to.....»»
Chemists develop new sustainable reaction for creating unique molecular building blocks
Polymers can be thought of like trains: Just as a train is composed of multiple cars, polymers are made up of multiple monomers, and the couplings between the train cars are similar to the chemical bonds that link monomers together. While polymers ha.....»»
Ancient grains of dust from space can be found on Earth—and provide clues about the life cycle of stars
In space, there are clouds that contain gas and dust ejected from stars. Our solar system was formed 4.6 billion years ago from such a molecular cloud. Most of these dust grains were destroyed during solar system formation. However, a very small amou.....»»
What Did Ancient Humans Think When They Looked Up at the Night Sky?
Archaeoastronomers piece together how people understood the heavens thousands of years ago......»»
Using dental growth rings scientists reveal differences in growth patterns between ancient and modern mammals
A study published in Science Advances reveals how early mammals grew and developed during their pivotal Jurassic radiation. Using a technique called synchrotron X-ray tomography to image growth rings in fossilized tooth roots, the researchers were ab.....»»
Deputy who shot Sonya Massey thought her rebuke "in the name of Jesus" indicated intent to kill him
Deputy who shot Sonya Massey thought her rebuke "in the name of Jesus" indicated intent to kill him.....»»
Apple has closed an ancient macOS Safari security hole
Apple is fixing a vulnerability in Safari for macOS, that seems to date back to the dawn of Intel Macs.Icon for Safari in macOSThe Defcon hacking conference is taking place from August 8 to August 11 in Las Vegas, which hosts talks about newly discov.....»»
Microsoft says Delta’s ancient IT explains long outage after CrowdStrike snafu
"Delta, unlike its competitors... has not modernized its IT infrastructure." Enlarge / Delta Air Lines customers looking for missing bags wait in line at Los Angeles International Airport (LAX) on July 24, 2024. (credit: Getty Im.....»»
Take a trip to the largest lake on Mars
Mars once hosted a lake larger than any on Earth. The broken-down and dried-up remnants of this ancient lakebed are shown here in amazing detail by ESA's Mars Express......»»
Ancient viral elements in RNA kickstart bone repair
Around half of the human genome is composed of DNA fragments originating from ancient viruses. These "transposable elements" (TEs) are now known to play various roles in modulating gene expression and disease development. Now, an international team l.....»»
Plants offer fruit to insects to disperse dust-like seeds, botanist discovers
Fruit exist to invite animals to disperse the swallowed seeds. A Kobe University research team found that plants targeting insects rather than birds or mammals for this service are more common than previously thought. These plants produce dust-like s.....»»
Romans were terrified by war elephants at first—but eventually found a way to defeat them in battle
Imagine, for a moment, you are a Roman soldier at war. In the midst of battle, you are confronted with an enormous and loudly trumpeting creature you've never seen before......»»
Groundwater reserves in southwestern Europe more stable overall than previously thought
Groundwater is a vital resource, sustaining plants and ecosystems, ensuring agricultural production and serving as a core component of drinking water supplies. However, climate change and anthropogenic pressures can threaten groundwater availability,.....»»
Wrestling with bulls, meat-only diets and sex bans: How the ancient Olympians prepared
The Greek historian Arrian (c. 86–160 AD) said he appreciated the glory of victory at an Olympic games, but also warned it was very difficult to achieve:.....»»
Ancient poppy seeds and willow wood offer clues to the Greenland ice sheet"s last meltdown
As we focused our microscope on the soil sample for the first time, bits of organic material came into view: a tiny poppy seed, the compound eye of an insect, broken willow twigs and spikemoss spores. Dark-colored spheres produced by soil fungi domin.....»»
How the last meal of a 3,000-year-old Egyptian crocodile was revealed using modern science
What do you think of when you think about ancient Egyptian mummies? Perhaps your mind takes you back to a school trip to the museum, when you came face to face with a mummified person inside a glass case. Or maybe you think of mummies as depicted by.....»»
Hubble images a pair of tiny dwarf galaxies
A pair of new Hubble images show small dwarf galaxies, one of which is thought to be the result of a historical merger......»»
How the last meal of a 3,000-year-old Egyptian crocodile was brought back to life using modern science
What do you think of when you think about ancient Egyptian mummies? Perhaps your mind takes you back to a school trip to the museum, when you came face to face with a mummified person inside a glass case. Or maybe you think of mummies as depicted by.....»»