This week’s science news revealed hidden complexities within our planet, from the potential explanation for a river seemingly defying gravity to the discovery of massive structures deep beneath the Earth’s surface. Researchers are also shedding light on the inner workings of our solar system and even the potential for psychedelic therapies to treat PTSD.
The mystery of the Green River, a major tributary of the Colorado River, has long puzzled geologists. The river carved a path through the Uinta Mountains in Utah, rather than around them, appearing to flow “uphill” in the process. New research suggests this wasn’t a defiance of physics, but a consequence of a geological phenomenon called lithospheric drip. This occurs when dense material accumulates at the bottom of the Earth’s crust and then “drips” into the mantle below, effectively pulling the land down and allowing the river to carve its path before the mountains rebounded.
Further below the surface, scientists have identified a “mega-blob” of solid rock and iron beneath Hawaii. This structure, unlike previously imagined, isn’t gooey but solid, and may be a relic from Earth’s earliest evolution, contributing to the islands’ volcanic activity. Meanwhile, a strange magnetic anomaly has been discovered beneath Australia’s Northern Territory, potentially opening up new opportunities for resource extraction.
Even deeper within the planet, research suggests that Earth may be missing lighter elements, which could be hidden within its solid inner core. This finding adds another layer to our understanding of the planet’s composition, and evolution.
Artemis II Faces Delays
The planned return to the moon with NASA’s Artemis II mission has hit a snag. A wet dress rehearsal – a critical test of the launch systems – was scrubbed this week due to hydrogen leaks. This is a recurring issue with the Space Launch System (SLS), as supercold liquid hydrogen is notoriously prone to escaping. The launch, originally scheduled for this weekend, is now delayed until early March, with potential launch windows between March 6-9 and March 11-30. The mission is meant to launch no later than April 30.
Life’s Little Mysteries
This week, Live Science tackled a surprisingly common question: why do children eat boogers? While seemingly unhygienic, researchers suggest there may be some potential health benefits, though a balanced diet is still the preferred route to nutritional intake. The practice may be linked to strengthening the immune system, though further research is needed.
In a more surprising discovery, researchers have found evidence that bonobos, our close primate relatives, may possess the capacity for imagination. Kanzi, a bonobo who participated in experiments, demonstrated the ability to play along with a pretend tea party, suggesting a level of cognitive complexity previously thought to be unique to humans.
Also in Science News This Week
Elsewhere in space exploration, a recent outburst from a black hole dubbed “Jetty McJetface” is proving to be one of the most energetic events observed in the universe, and continues to grow brighter. Archaeological discoveries are also making headlines, with the finding of a 7,500-year-old deer skull headdress in Germany suggesting cultural exchange between hunter-gatherers and early farmers. A study also indicates that men develop cardiovascular disease approximately seven years earlier than women, prompting further investigation into the underlying biological differences.
Finally, a remarkable discovery in Spain – an elephant bone – may be linked to Hannibal’s war against Rome, offering a tangible connection to a pivotal moment in ancient history.
Science Spotlight: Psychedelics and PTSD
Post-traumatic stress disorder (PTSD) can profoundly alter brain function, often rendering traditional therapies ineffective. Researchers are now exploring psychedelic-assisted psychotherapy, utilizing substances like MDMA or psilocybin, to target the underlying neurological disruptions caused by trauma. Early results are promising, with studies suggesting these substances can “rewire” brain systems affected by PTSD. One compelling story details how a former Navy pilot, Kegan Gill, used ayahuasca to begin his journey toward mental recovery after a devastating jet crash.
Something for the Weekend
For those seeking longer reads, Live Science offers a crossword puzzle, opinion pieces, and skywatching guides. This week’s skywatching highlight is a rare “blood moon” eclipse visible in the US before sunrise in March. Wildlife enthusiasts can also explore the shortlisted images for the Wildlife Photographer of the Year Nuveen People’s Choice Award, featuring striking images of a deer carrying the head of its rival, a playful lynx, and a polar bear family struggling in the summer heat.
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