Largest Martian meteorite sells for a whopping $5.3M at auction: ‘Geological time capsule from another world'
At one of Sotheby's Geek Week events, hosted at NYC's own American Museum of Natural History, this Martian meteorite smashed through bidding expectations, which were between $2M to $4M.
This meteorite, affectionately dubbed NWA 16788, isn't just any space rock, though. At a stunning $5.3 million, not only did it fetch the highest price of any meteorite ever, it's also the largest, most scientifically significant piece of Mars that we Earthlings have access to.
At 54 pounds, the meteorite is approximately the size of two basketballs.
'NWA 16788 is a geological time capsule from another world,' Sotheby's representatives wrote. 'With fewer than 400 Martian meteorites ever recorded, and most no larger than a pebble, this specimen offers the biggest tangible connection to a planet that has captivated humanity for centuries.'
The space rock was discovered in November 2023 by a meteorite hunter — yes, that's a real job — in the middle of the Nigerian Sahara desert.
Unsurprisingly, the meteorite from the Red planet is, in fact, red. According to Sotheby's analysts, who have examined it up close and personal, it's a deep, rusty shade with a glassy crust.
'NWA 16788 shows minimal terrestrial weathering, indicating that its physical and chemical makeup have not been significantly altered since its arrival in the Sahara Desert,' Sotheby's explained in the release. 'In other words, NWA 16788 is likely a relative newcomer here on Earth, having fallen from outer space rather recently.'
Before it was sold, the meteorite was publicly exhibited at the Italian Space Agency in Rome and in a private gallery in Tuscany.
Though the buyer, who was not publicly identified, certainly paid a pretty penny for the rights to the rock, some scientists have reservations about the whole affair — particularly because of the possibilities for new research the meteorite presents.
'It would be a shame if it disappeared into the vault of an oligarch. It belongs in a museum, where it can be studied, and where it can be enjoyed by children and families and the public at large,' Steve Brusatte, a professor of paleontology and evolution at the University of Edinburgh, told CNN.
A mere chunk of mineral it may be, but this meteorite is far from lonely in its exorbitant price.
In 2020, a 4½-pound meteorite crashed through an Indonesian man's roof. According to experts, the rare rock was over 4.5 billion years old and was worth almost $2M.
In the end, this meteorite was also purchased by a private meteorite collector.
However, meteorites typically land in oceans, deserts, forests and other uninhabited areas, much like NWA 16788.
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Medscape
2 hours ago
- Medscape
ART-Treated Children Remain at Risk for Vascular Disease
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In 2009, the landmark CHER trial showed that apparently well infants living with HIV who were given empiric ART soon after birth had approximately 400% better survival compared with those with no intervention. 'Immediate worldwide implementation of this intervention has led to emergence of an entirely new disease profile: Since 2009, early initiation of ART has been standard-of-care for perinatally-infected infants,' Davies told Medscape Medical News . 'Since early-treated children living with HIV [CHIV] would then be spared from repeated opportunistic infections and years of ongoing HIV replication, it was hoped that they would also be spared from the enormous chronic inflammation that typically accompanied those infections,' she said. Chronic inflammation that persists over years is a powerful driver of cardiovascular disease (CVD), which leads to premature strokes and heart attacks in adulthood, she emphasized. The researchers reviewed data from 185 individuals aged 7-16 years who were part of a study of early ART in South Africa. The study population included 65 CHIV and 118 HIV-unexposed children who served as control individuals. The CHIV began ART within 3 months of birth and were deemed clinically well at the time of blood testing for biomarkers. The participants underwent a median of two measures of blood serum 4 years apart, yielding a total of 321 observations; 26 biomarkers were measured. After adjusting for multiple variables, the CHIV group had significantly higher levels of C-reactive protein, soluble CD14 (a marker of monocyte activation), and vascular endothelial growth factor than the unexposed children. The researchers also found specific effects in different age groups. Levels of Monocyte chemoattractant protein-1 (MCP-1), interleukin 6, and P-selectin in CHIV aged 6-8 years were significantly higher than matched control individuals, whereas MCP-1 was significantly higher in the CHIV group aged 13-16 years than control individuals. No other significant differences in biomarkers appeared between the groups. When the current study began, it was entirely unknown whether early-treated children living with HIV would suffer from the same chronic inflammation and consequent premature CVD, or to what extent early lifelong ART might prevent CVD in these children as they grew, Davies told Medscape Medical News . 'We hoped that by removing ongoing HIV replication and opportunistic infections, children living with HIV would be spared from the chronic inflammation that drives premature CVD in early adulthood,' she said. 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ART Alone is Not Enough 'While early ART dramatically improves long-term outcomes for children born with perinatal HIV, it remains unclear whether early ART alters the long-term inflammatory and immune activation profile,' said Jason E. Zucker, MD, an assistant professor of medicine and infectious diseases specialist at Columbia University Irving Medical Center, New York City, in an interview. 'These profiles are critical, as they are linked to future risk of noncommunicable diseases, such as cardiovascular and metabolic disorders,' said Zucker, who was not involved in the study. The current study fills a key gap by examining longitudinal biomarker data to assess persistent immune dysregulation in early treated children compared with uninfected control individuals, he said. Zucker said he was slightly surprised by the findings of extensive immune activation and elevated biomarkers, into adolescence, especially those associated with monocyte activation. 'The key takeaway is that early ART alone may not fully normalize immune activation in perinatally HIV-infected children,' he said. 'The data underscore the need for long-term monitoring and potentially adjunctive interventions to mitigate inflammation and reduce future disease risk, even among virologically suppressed youth,' he added. Some limitations of the study include the modest sample size and lack of any long-term clinical outcomes, Zucker told Medscape Medical News . 'Biomarker assessments, while robust, do not confirm clinical endpoints such as actual cardiovascular events, and future research should track these cohorts longitudinally into adulthood to determine whether the observed immune profiles translate into actual disease, and explore therapeutic strategies,' he said.
Yahoo
12 hours ago
- Yahoo
Want a glass of wine with dinner? Blame our ape ancestors
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Forbes
2 days ago
- Forbes
A Biologist Spotlights The Strangest ‘Bird Of Prey' On Earth (Hint: It Hunts Venomous Snakes On Foot)
Birds of prey typically fit into a common mold: they are sharp-beaked, talon-wielding aerial hunters who attack their prey from the sky. The bald eagle is a good example of a bird of prey. The red-tailed hawk is another. But not all raptors follow this script. Some are different – evolutionary oddities that break the mold. Perhaps the best example of this is the secretary bird: a long-legged raptor that doesn't soar so much as stomp. With its distinctive form and terrestrial hunting style, the secretary bird (Sagittarius serpentarius) is one of the most fascinating birds of prey on the planet. Here's what science can tell us about it. The Secretary Bird – A Raptor Like No Other Standing nearly four feet tall with a wingspan over seven feet, the secretary bird resembles a crane more than a typical raptor. A cousin of eagles and hawks, it belongs to the order Accipitriformes but stands alone in its own family, Sagittariidae. It's also the only bird of prey that hunts primarily on foot, and the only one known to stomp its prey to death, making it one of the most distinctive raptors in the world. The secretary bird can cover up to 20 miles a day in search of its next meal. Its prey? Mostly snakes – venomous ones included. It also hunts lizards, rodents, small birds and even insects. A 2014 paper published in Biodiversity Observations reported the dissection of a secretary bird that died after flying into a power line near Balfour, South Africa. Researchers found eight snakes and 13 grasshoppers in the bird's digestive tract, likely consumed in a single day. The snakes included two spotted grass snakes (Psammophylax rhombeatus) and six cross-marked grass snakes (Psammophis crucifer). While based on a single specimen, the finding highlights the secretary bird's ophiophagous tendencies. When it spots a target, the secretary bird strikes with lightning-fast kicks, using its powerful legs to stun or kill its prey. Secretary bird kicks aren't just fast, they're explosively powerful. In a 2016 study published in Current Biology, researchers trained a captive secretary bird named Madeleine to strike a rubber snake on a force plate. The bird delivered kicks with forces up to 195 newtons, roughly five times its body weight, in just 15 milliseconds (faster than the blink of an eye). This combination of precision and power is crucial when subduing venomous snakes, where even a slight misstep could prove deadly for the bird. Interestingly, the strike happens too fast for feedback from the bird's own muscles and nerves to guide the movement mid-kick. That suggests secretary birds rely heavily on visual targeting and pre-programmed motor patterns to land their deadly blows. Scientists believe that understanding this behavior could even inspire new advances in fields like robotics and prosthetics. The secretary bird's most unusual adaptations are its legs. Long and powerful, they are armored with tough scales that help protect against snakebites. Its claws, while not as curved or fearsome as those of a hawk, are still sharp enough to grip prey. Unlike its raptor cousins, the secretary bird rarely flies while actively foraging. It will take to the skies to roost in trees, moving between feeding grounds, or escape danger, but hunting is mostly done on foot. With its long legs and vivid orange facial skin, the secretary bird is one of the most striking raptors in the world. Its common name has two proposed origins. One theory points to the long black feathers projecting from the back of its head, which reminded early European observers of quill pens tucked behind a scribe's ear. Another theory traces the name to the Arabic phrase saqr at-tair, meaning 'hunter bird' or 'falcon of the hunt.' Unlike sociable raptors (like the black kite), secretary birds are often solitary or found in pairs. They hunt during the day and return to their tree-top roosts at night. Their calls are more stork-like than hawk-like: deep, croaking barks that carry over the African grasslands. In many African cultures, the secretary bird symbolizes protection and vigilance. Renowned for its snake-hunting skills, it appears in folklore and is depicted on ancient Egyptian artifacts dating back to 3200 BC. Today, it features prominently on the coat of arms of both Sudan and South Africa. Historically, farmers even relied on secretary birds to help control pests. Like many birds of prey, the secretary bird faces numerous conservation challenges. Habitat loss from agriculture and development has reduced its range and populations have declined in recent years. The bird is currently listed as Endangered by the IUCN. Are you an animal lover who owns a pet, perhaps even a pet bird? Take the science-backed Pet Personality Test to know how well you know your little friend.