Science Magazine
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A new study reveals that an egg-laying species of worm-like amphibian nourishes its young with a lipid-rich, milk-like substance. The findings report previously unobserved behavior and offer new insight into the species’ parental care and communication.
Science Magazine643,492 görüntüleme • 2 yıl önce
A 2024 Science study reveals that an egg-laying species of worm-like amphibian nourishes its young with a lipid-rich, milk-like substance. The findings report previously unobserved behavior and offer new insight into the species’ parental care and communication. #ScienceMagArchives
Science Magazine364,628 görüntüleme • 1 yıl önce
Buried in a museum drawer for nearly 50 years, a fist-size fossil has handed paleontologists the evidence they’d been hunting for: unmistakable claws on one of the oldest known relatives of spiders and scorpions. The fossil was recovered by an amateur paleontologist in the late 1970s in the Utah desert. The creature is a marine arthropod scientists have named Megachelicerax cousteaui (Greek for “large claw horn”), which likely resembled a bristling, multilegged ocean swimmer with a rounded head shield. Learn more: News from Science
Science Magazine55,570 görüntüleme • 1 ay önce
Physicists have now uncovered the hidden math behind these satisfying can-crushing videos. To catch what the naked eye misses, the team compressed liquid-filled aluminum beverage cans in a laboratory press, filming the carnage at 25 frames per second. The researchers found that the material behavior of the aluminum can itself drives the orderly collapse. As the metal bends outward into a ridge, it briefly softens, becoming easier to deform. But before that ridge can grow too deep, the material restiffens, making it energetically cheaper to start a fresh ring next door than to keep deepening the old one. Mathematicians call this process homoclinic snaking—a snakes-and-ladders dynamic in which the system climbs toward a new stable state, slides back, and spawns a neighboring ridge instead of catastrophically collapsing. Learn more: News from Science
Science Magazine48,113 görüntüleme • 1 ay önce
Physicists have now uncovered the hidden math behind these satisfying can-crushing videos. To catch what the naked eye misses, the team compressed liquid-filled aluminum beverage cans in a laboratory press, filming the carnage at 25 frames per second. The researchers found that the material behavior of the aluminum can itself drives the orderly collapse. As the metal bends outward into a ridge, it briefly softens, becoming easier to deform. But before that ridge can grow too deep, the material restiffens, making it energetically cheaper to start a fresh ring next door than to keep deepening the old one. Mathematicians call this process homoclinic snaking—a snakes-and-ladders dynamic in which the system climbs toward a new stable state, slides back, and spawns a neighboring ridge instead of catastrophically collapsing. Learn more: News from Science
Science Magazine46,323 görüntüleme • 1 ay önce
Last year, a baby boy with a life-threatening metabolic condition became the world’s first patient to receive a personalized gene-editing treatment. The feat could pave the way for gene editors tailored to people with unique or ultrarare mutations. Learn more: News from Science
Science Magazine48,274 görüntüleme • 1 ay önce
In November 2024, environmental police in Rochedo, Brazil, stumbled on an unexpected sight: thousands of orange-and-black bumblebee catfish scaling the slippery rocks behind waterfalls on the Aquidauana River. A week later, a team of Brazilian scientists arrived to document the unprecedented event, detailing their findings. These videos provide rare insight into the lives and migrations of these little-studied catfish, the authors said. This genus of small South American fish, which inhabits the rocky bottoms of fast-flowing streams, only became known to science in 2017. Learn more:
Science Magazine70,331 görüntüleme • 4 ay önce
When key “housekeeper” brain cells grow in lab dishes, they spawn unusual microscopic vesicles that can move on their own and carry energy-generating organelles, a research team revealed. The biologists have dubbed their discovery zombosomes because the blobs can move like cells for a period despite lacking a nucleus, which acts as a cell's control center. The group also showed the membrane-bound messengers ferry proteins related to Parkinson’s disease, suggesting they may contribute to it and other brain disorders. Learn more: News from Science
Science Magazine65,583 görüntüleme • 3 ay önce
Butterflies suck—nectar. Walruses suck—clams. And most fishes suck everything they eat. But birds? Scientists had never seen suction—until now. Researchers report that sunbirds use suction to sip nectar. The find is also the first example of any vertebrate drinking through suction generated by the tongue alone, rather than by changing the shape of its mouth. Learn more: News from Science
Science Magazine34,831 görüntüleme • 2 ay önce
Researchers say the ancient breakup of tectonic plates creates churning waves in Earth’s mantle that tumble in slow motion under the continents for tens of millions of years, sculpting topography deep within continental interiors. Learn more: #ScienceMagArchives
Science Magazine48,435 görüntüleme • 3 ay önce
After gazing up at a patch of sky last night near Polaris, the North Star, astronomers completed the largest map of the universe ever created. Compiled over the past 5 years by the Dark Energy Spectroscopic Instrument (DESI), the map features a total of 47 million galaxies. That’s 13 million more galaxies than originally planned: a boon made possible by DESI’s ability to map galaxies across the northern sky at unprecedented speed. Learn more: News from Science
Science Magazine23,221 görüntüleme • 1 ay önce
A new study finds ants best humans at tests of collective intelligence. Learn more: News from Science
Science Magazine175,861 görüntüleme • 1 yıl önce
If you’ve got the stomach for it, you can watch 10,000 maggots demolish a pizza in 2 hours. Thanks to this research, scientists have a better sense of how these fly larvae gobble food so quickly, a possible boon for sustainable food production. Some companies are collecting a bit of the 1.3 billion tons of food waste humans produce annually and feeding it to hordes of maggots. Once they’re plump on rotten leftovers, the larvae can be turned into high-protein food for animals such as chickens and fish that humans are more interested in eating. To study how these maggots stuff themselves on large quantities of food, researchers recorded black soldier fly larvae chowing down on orange slices in a 35-liter aquarium. The team searched for patterns in the squirming mass by tracking the flow of individual maggots with software used to model the movement of fluids. Despite the appearance of chaos, the larvae moved like water being pumped through a fountain, the researchers reported in 2019. Hungry maggots pushed toward the food from the bottom, and satiated larvae were pumped up and over the top of the pile to the back of the line. Learn more:
Science Magazine49,566 görüntüleme • 3 ay önce
If ants could speak, the tunnels of some colonies would echo with cries of, “The queen is dead, long live the queen!” Utterly devoted to their matriarchs, these social insects sometimes go through regime change, when a usurper infiltrates an established ant colony, kills the host queen, and persuades the resident workers to serve her instead. But as scientists report, some of these so-called parasitic queens employ an even more devious strategy, one that seems lifted straight from Greek tragedy: manipulating worker ants into killing their own queen, who is, biologically speaking, also their mother. Learn more: News from Science
Science Magazine68,255 görüntüleme • 5 ay önce
