Video shows the man approaching the Shelby Police officer when he suddenly produced a knife and stabbed the officer; after being stabbed, the officer fatally shot him
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Video shows the man approaching the Shelby Police officer when he suddenly produced a knife and stabbed the officer; after being stabbed, the officer fatally shot him
Lava tubes on Mars could provide shelter for astronauts, according to a new study. Earlier studies have suggested the same could apply to the Moon. An Army Intelligence Officer and Combat Veteran turned Ufologist and Astrophysicist, Antonio Paris, and other researchers have published a study suggesting astronauts could live in relative safety underground on Mars. Astronauts may arrive on Mars sooner than we think, with missions beginning in the 2030s. However, human survival would be impossible without shelter from cosmic radiation. Unlike Earth, Mars has no atmosphere to protect life. In areas where the ground has caved in, scientists have seen expansive structures that could serve as “ready-built” homes, reported BGR. Enormous Lava Tubes on Mars and the MoonThere is evidence of enormous lava tubes near Mar’s surface up to 1,000 times wider than lava tubes on Earth. In some cases, the tubes could be longer than 25 miles, reported CNN in 2019. Here on Earth, similar structures range from 33 to 98 feet in diameter. They can be found in Hawaii, Australia, Iceland, and the Canary Islands. Furthermore, the Moon may have lunar caves that reach one kilometer in diameter. To give you some idea, this would be large enough to hold the tallest buildings on Earth. A study coauthor that year suggested all of Padua, Italy’s city center, could fit inside a lava tube on the Moon. Moreover, the study authors suggested astronauts could access lunar lava tubes and that they might hold water ice reservoirs.
Scientists discovered the lava tubes after spotting “skylights,” holes that revealed the caverns beneath. In the distant past, asteroid impacts created the skylights, revealing the recesses beneath. Unlike on Earth, low gravity conditions may prevent the huge caves from collapsing. Since the tubes provide shelter from micrometeorites and Radiation, they could serve as niches for hosting life. Since 2012, the European Space Agency’s CAVES and Pangaea programs have trained astronauts how to explore underground caves safely. See more about how these lava tubes form from NASA: Martian Caves Could Block 80% of RadiationIn recent years, Paris and the researchers studied analogous lava tubes on Earth in Mojave, CA, El Malpais, NM, and Flagstaff, AZ. After taking radiation measurements inside and outside the tubes, they compared the findings to what is known about Mars.
Although radiation would remain higher than on Earth, it could make long-term missions possible. The Hellas Planitia on MarsAs part of the recent study, Antonio Paris and the other researchers chose to focus on the Hellas Planitia in Mars’ southern hemisphere. Its name translates to “Greek plain.” NASA notes the area is “one of the largest impact craters in the solar system.” Recently, scientists found evidence of an ancient river system in the area. In 2017, the Mars Reconnaissance Orbiter found strange “squiggles” on the surface, possibly the “result of this dry ice breaking apart into blocks.”
At the Hellas Planitia, there is less cosmic and solar radiation, reports Popular Mechanics. Paris believes the site may be ideal for astronauts to seek shelter. Also, he says the lava tubes would be an ideal spot to search for any signs of ancient microbial life. Today, NASA’s Perseverance Rover is exploring the Jezero Crater, north of the Martian equator. So, it won’t be exploring the Hellas Planitia, unfortunately. In the meantime, Paris is hoping to travel to the Moon. As an interesting (and bizarre) sidenote, recently, former Israeli space security chief Haim Eshed stated there has long been “a secret underground base on Mars, where there are American and alien representatives.” Notably, Eshed was head of Israel’s space program for nearly 30 years and is a three-time recipient of the Israel Security Award. So, who knows what might be down there in the lava tubes on Mars and the Moon? Related: Megaflood on Mars: Another Sign of Life on the Red Planet More about the Hellas Planitia via Amaze Lab: Featured image: Image by Pexels via Pixabay, Pixabay License YouTube Video Here: https://www.youtube.com/embed/16SySpAWDpQ?start=4&feature=oembed Scientists have found new important clues about the first domesticated wolves and dogs. A small cave in Germany contained numerous ancient canine fossils. They could point to a possible origin of all modern dogs. However, researchers stress this remains open to debate and further evidence. Dogs are considered the oldest domesticated animal in human history well before humans transitioned from hunter-gatherers to agriculture around 10,000 years ago. Gnirshöhle CaveA small cave called Gnirshöhle in the Hegau Jura region of southern Germany contained a wealth of canine fossils. Some date back to between 17,000 and 12,000 years old. Thus, they predate other ancient canine fossils found in Europe by 3,000 years. Scientists conducted DNA analysis on the fossils, which included dogs, wolves and fox remains. The fossils revealed clues about the animals’ diets. Humans were apparently feeding the canines a low protein diet. Dr. Chris Baumann of the University of Tübingen said:
Previous studies have found domesticated canines in two places: Asia and Europe. Eventually, dogs from Asia migrated with humans, largely replacing the western domesticated wolves. Researchers discuss the study below: Early Site of Domesticated WolvesThe study suggests that the Hegau Jura was a “potential center of early European wolf domestication.”
By studying the dog and domesticated wolf haplotypes, the authors traced the last common ancestor. Amazingly, this ancestor existed 135,000 years ago in the Pleistocene. Could this suggest a possible “upper limit” for the first domestications? Experts have long suggested that the first dogs may have diverged from wolves as long as 100,000 years ago. However, it’s generally agreed the first domesticated dogs emerged about 16,000 years ago in Europe and Siberia, reports Science Alert. Obviously, there’s a big stretch between 100,000 and 16,000 years. Thus, much remains to be learned about domesticate wolves. Siberian Wolf HybridsSo far, the oldest found fossil considered a possible dog ancestor comes from Siberia and dates to 30,000 years ago. Found in a cave in the Altai Mountains of Siberia, the fossil resembled a wolf’s teeth with a shortened dog’s snout, a hybrid wolf. DNA analysis found the skull most closely resembled Tibetian Mastiffs, Newfoundlands, and Siberian Huskies. However, scientists suspect the Siberian dog might have gone extinct due to advancing glacial periods 26,000 years ago. Thus, independent domestication elsewhere may have ultimately led to the dogs we know today. On the other hand, a Siberian animal could have migrated instead of going extinct. In 2019, a Siberian man found a perfectly preserved Ice Age wolf head in the permafrost of the Arctic region of Yakutia. The head was 40,000 years old and may have been a subspecies that went extinct along with the mammoths. Judging by the head, it may have been 25% bigger than today’s wolves. See more from Bloomberg Quicktake: Now: Dogor the Prehistoric PuppyAlso in 2019, researchers exploring Yakutsk, Siberia found a perfectly preserved 18,000-year-old puppy. Scientists were baffled by the specimen, which they named Dogor. Interestingly, DNA tests could not show whether the animal was a dog or a wolf.
Due to climate change, more prehistoric creatures are being found in the permafrost all the time. See more from Amazing Facts: Oldest Undisputed Dog FossilThe oldest undisputed dog fossil dates back to 14,000 years. It’s called the Bonn-Oberkassel dog found near Bonn, Germany. In 1914, workers found a grave that contained a puppy, a woman, and a man. It was the oldest known grave where humans and dogs were buried together, dating to the Paleolithic. Analysis of the grave indicated the puppy was well-cared for. Thus, it became one of the first examples of early pet-human bonding. Evidence suggests humans were caring for the sick puppy for weeks, which may have died from canine distemper. Ancient Singing DogsRecently, we shared the story about the rediscovery of wild New Guinea Singing Dogs. Although considered extinct, DNA testing revealed the dogs were surviving in Papua New Guinea. For years, residents considered them feral strays. Hiding out in the rugged highlands of the island, they remained elusive. New Guinea Singing Dogs are cat-like and sing with vocalizations compared to whales. The dogs have genomic variants different from all other dogs today. Singing Dogs could be relatives of Australian dingoes and Asian dogs that humans brought to Oceania around 3,500 years ago. New Guinea Singing Dogs may share a common ancestor with the Akita and Shiba Inu breeds. As you can see, the story of how domesticated wolves led to modern dogs is highly complex. As you might expect, given our bonds today, ancient humans and canines developed tight bonds in many places. Now the question is, did people first domesticate wolves, or did they decide to tame us? Featured image: Image by Thomas Bohlen via Pixabay, Pixabay License A Florida Highway Patrol trooper initiated a traffic stop after spotting a man driving at 70 mph in a 45 mph zone; after a brief pursuit, the man jumped off a bridge
The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less than two years ago. Soon after, another six were found. In a new paper, researchers announce the discovery of seven more, doubling the number of known dark comets, and find that they fall into two distinct populations: larger ones that reside in the outer solar system and smaller ones in the inner solar system, with various other traits that set them apart.
Nuclear theorists at Brookhaven National Laboratory and Argonne National Laboratory have successfully employed a new theoretical approach to calculate the Collins-Soper kernel, a quantity that describes how the distribution of quarks’ transverse momentum inside a proton changes with the collision energy.
An international research team has developed a new technology that helps to improve the accuracy of radar applications and LiDAR systems. Among its possible uses, it could contribute to implementing autonomous cars and optimize environmental monitoring.
Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table—the “silicon group.”
In an era where autonomous navigation, medical diagnostics and remote sensing are rapidly evolving, traditional cameras—limited to capturing only the red, green, and blue (RGB) light intensities—are falling short of data demands. These cameras often miss essential spectral and polarization details crucial for identifying materials, distinguishing healthy from diseased tissue, providing unique 3D situational awareness and tracking environmental changes.
About 100 years ago, humanity learned to see with the help of electrons. In 1924, Louis de Broglie posited that—like light particles—electrons have wave properties. In 1927, the U.S. physicists Davisson and Germer provided experimental proof of this.
The ghost gun “may have been made on a 3D printer, capable of firing a 9 mm round,” NYPD Chief of Detectives Joseph Kenny said
Messier 83, also known as the Southern Pinwheel galaxy, is one of the most prominent spiral galaxies in the night sky. It’s named for its resemblance to the Pinwheel galaxy and spans around 50,000 light-years, making it much smaller than the Milky Way galaxy, although it has a higher rate of star formation, as evidenced by the striking bursts of pink throughout its spiral arms. This display of intense starburst activity likely results from a past merger with another galaxy.
We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like?
Since 2018 the Zwicky Transient Facility, an international astronomical collaboration based at the Palomar Observatory in California, has scanned the entire sky every two to three nights. As part of this mission, the ZTF’s Bright Transient Survey has been counting and cataloging supernovae—flashes of light in the sky that are the telltale signs of stars dying in spectacular explosions.
Could a decades-long debate about the mysterious movements of stars in Omega Centauri, the largest star cluster in the Milky Way, finally be resolved?
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