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Sirens, subways and sleepless nights: NYC battles noise pollution

Sirens, subways and sleepless nights: NYC battles noise pollution

Malay Maila day ago
NEW YORK, Aug 20 — Tim Mulligan moved to central Manhattan so he could be closer to work and avoid a daily ordeal on the rattling, screeching subway, just one part of the urban noisescape that tests New Yorkers every day.
'Even with your earbuds in, turned all the way up, you can't hear anything for the whole commute, and you're ruining your ears at that level,' said Mulligan, a US Marines veteran who lives with PTSD.
At his home close to New York's tourist hub Times Square, Mulligan has sealed his windows with high-density soundproof foam, draped them with double thick curtains and invested in earplugs to sleep.
On the street he has resorted to noise-cancelling headphones, and he prefers bikes to the subway for getting around.
New Yorkers and visitors to the megacity of 8.5 million people are bombarded with blaring sirens, loud locals, raucous bars and car horns almost constantly.
A city-wide hotline received 750,000 noise complaints in 2024, the most commonly complained about quality of life issue.
The city that never sleeps, perhaps because it can't, is one of the few built up US areas with a noise code regulating sound from vehicles, construction, businesses, and recreation.
It has even installed cameras with sensors to detect and penalise violators.
Nine-in-ten New Yorkers are at risk of hearing loss from daily exposure to noise levels exceeding 70 decibels, the healthy average, a Columbia University study conducted between 2010 and 2012 found.
The report's author, professor Richard Neitzel, is now leading the first national study on noise in which 200,000 volunteers wear smart watches to track sound levels.
'It looks like somewhere around one-in-four Americans are exposed to noise levels that could hurt their hearing over the long term,' said Neitzel, a professor at the University of Michigan.
'You can't undo it'
Among young people aged 18 to 25, the primary source of excess noise exposure comes from headphones.
Overall, more people are exposed to high levels of environmental noise than to noise from their headphones, Neitzel added.
Although the percentage of the population exposed to noise is similar to those exposed to air pollution, acoustic issues are not prioritized by residents and officials like air quality is, Neitzel said.
There is clear evidence that excess noise is linked to poor sleep, cardiovascular issues, depression, cognitive decline, premature births and poor academic performance.
Tinnitus, a permanent ringing in the ear affecting three out of 20 study participants, is increasingly prevalent.
Loud music is even used to promote increased consumption, said Shane Newman, who manages a popular Mexican restaurant in Manhattan's trendy Hudson Yards development.
'You have a drink in the music, it feels like a nice vibe and... they end up staying longer,' he told AFP.
Audiologist Michele DiStefano said the effects of noise on well-being have 'not really been studied well enough.'
'The longer you have the exposure, and the higher the level, the (greater) degree of hearing loss you'll have' — particularly for young people, she warned.
'Once it does affect your hearing, you can't undo it, but you can actually prevent it,' she said.
'There's really a push to educate the younger generations on how you don't have to just have really loud noise at a concert — it can be cumulative.' — AFP
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Sirens, subways and sleepless nights: NYC battles noise pollution
Sirens, subways and sleepless nights: NYC battles noise pollution

Malay Mail

timea day ago

  • Malay Mail

Sirens, subways and sleepless nights: NYC battles noise pollution

NEW YORK, Aug 20 — Tim Mulligan moved to central Manhattan so he could be closer to work and avoid a daily ordeal on the rattling, screeching subway, just one part of the urban noisescape that tests New Yorkers every day. 'Even with your earbuds in, turned all the way up, you can't hear anything for the whole commute, and you're ruining your ears at that level,' said Mulligan, a US Marines veteran who lives with PTSD. At his home close to New York's tourist hub Times Square, Mulligan has sealed his windows with high-density soundproof foam, draped them with double thick curtains and invested in earplugs to sleep. On the street he has resorted to noise-cancelling headphones, and he prefers bikes to the subway for getting around. New Yorkers and visitors to the megacity of 8.5 million people are bombarded with blaring sirens, loud locals, raucous bars and car horns almost constantly. A city-wide hotline received 750,000 noise complaints in 2024, the most commonly complained about quality of life issue. The city that never sleeps, perhaps because it can't, is one of the few built up US areas with a noise code regulating sound from vehicles, construction, businesses, and recreation. It has even installed cameras with sensors to detect and penalise violators. Nine-in-ten New Yorkers are at risk of hearing loss from daily exposure to noise levels exceeding 70 decibels, the healthy average, a Columbia University study conducted between 2010 and 2012 found. The report's author, professor Richard Neitzel, is now leading the first national study on noise in which 200,000 volunteers wear smart watches to track sound levels. 'It looks like somewhere around one-in-four Americans are exposed to noise levels that could hurt their hearing over the long term,' said Neitzel, a professor at the University of Michigan. 'You can't undo it' Among young people aged 18 to 25, the primary source of excess noise exposure comes from headphones. Overall, more people are exposed to high levels of environmental noise than to noise from their headphones, Neitzel added. Although the percentage of the population exposed to noise is similar to those exposed to air pollution, acoustic issues are not prioritized by residents and officials like air quality is, Neitzel said. There is clear evidence that excess noise is linked to poor sleep, cardiovascular issues, depression, cognitive decline, premature births and poor academic performance. Tinnitus, a permanent ringing in the ear affecting three out of 20 study participants, is increasingly prevalent. Loud music is even used to promote increased consumption, said Shane Newman, who manages a popular Mexican restaurant in Manhattan's trendy Hudson Yards development. 'You have a drink in the music, it feels like a nice vibe and... they end up staying longer,' he told AFP. Audiologist Michele DiStefano said the effects of noise on well-being have 'not really been studied well enough.' 'The longer you have the exposure, and the higher the level, the (greater) degree of hearing loss you'll have' — particularly for young people, she warned. 'Once it does affect your hearing, you can't undo it, but you can actually prevent it,' she said. 'There's really a push to educate the younger generations on how you don't have to just have really loud noise at a concert — it can be cumulative.' — AFP

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One or two drinks a day? Gallup poll finds most Americans believe even moderate alcohol use is harmful

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T. rex wins the jaw wars, but rivals found other ways to kill dinner
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T. rex wins the jaw wars, but rivals found other ways to kill dinner

Tyrannosaurus possessed the highest estimated bite force Evolutionary flexibility' seen in meat-eating dinosaurs WASHINGTON, Aug 16 — Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus relied more on slashing and ripping flesh. And the long and narrow snout of Spinosaurus was well-adapted for catching fish. Researchers have documented the feeding biomechanics of meat-eating dinosaurs in a comprehensive analysis of the skull design and bite force of 17 species that prowled the landscape at various times from the dawn to the twilight of the age of dinosaurs. The study found that Tyrannosaurus possessed by far the highest estimated bite force, with a heavily reinforced skull and massive jaw muscles. But it showed that other dinosaur predators evolved successful approaches to bringing down prey even without matching the T. rex chomp. 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They ran from Herrerasaurus, which lived in Argentina about 230 million years ago and is one of the earliest-known dinosaurs, all the way to T. rex, which was present in western North America when an asteroid struck Earth 66 million years ago and ended the age of dinosaurs. The researchers used three-dimensional models of the skulls of the 17 species, including two different specimens of Tyrannosaurus, and applied a method for simulating how structures respond to physical stress. They estimated muscle forces using digital muscle reconstructions based on living relatives of the dinosaurs – birds and crocodiles – then applied those forces to the skull models to simulate bites. 'Our focus wasn't raw bite force. We were testing how the skulls distributed that force under load, and how these distributions varied by each lineage of carnivores,' Rowe said. The early theropods examined in the study such as Herrerasaurus, which lived during the middle of the Triassic Period, and Dilophosaurus, which lived early in the Jurassic Period, exhibited much lower stress resistance than their later counterparts. They were lightly built dinosaurs and not well adapted to high bite forces, Rowe said. The increase in bite force and skull strength unfolded gradually over time, reaching its apex with Tyrannosaurus and its close relatives in a lineage called tyrannosaurs such as Daspletosaurus and Albertosaurus, which like T. rex appeared late in the Cretaceous Period. 'In tyrannosaurs, there's a big jump in skull strength and bite mechanics, coinciding with deeper skulls, more robust bone architecture and changes in jaw muscle attachment. So the ramp-up wasn't immediate. It evolved over time and in certain lineages more than others,' Rowe said. People take pictures near animatronic dinosaurs, Brachiosaurus, as they attend 'Jurassic World: The Experience' an immersive experience inspired by the Hollywood movie Jurassic World, set at Asiatique The Riverfront, in Bangkok, Thailand. — Reuters pic Tyrannosaurus, Giganotosaurus and Spinosaurus were three of the largest theropods, but their skulls were quite different. Perhaps the largest-known Tyrannosaurus is a specimen named Sue at the Field Museum in Chicago, at 40-1/2 feet (12.3 meters) long. Giganotosaurus and Spinosaurus rivaled T. rex in size. Giganotosaurus lived in Argentina in the middle of the Cretaceous, while Spinosaurus inhabited North Africa at around the same time, both predating Tyrannosaurus by roughly 30 million years. 'Giganotosaurus was large, but its skull wasn't built for the same kind of high-force feeding as T. rex. Spinosaurus had a long, narrow snout, which is consistent with a diet focused on fishing, though we have fossilized evidence that it ate other animals, such as pterosaurs,' Rowe said, referring to the flying reptiles that were cousins of the dinosaurs. One of the key takeaway messages, Rowe said, is that giant body size did not funnel all theropods toward the same design. Stronger bite force was one strategy, but not the only one, Rowe added. 'Some animals win with raw power, others by striking quickly or repeatedly. What we're seeing here is a spectrum of ecological adaptations. These animals weren't all trying to be T. rex clones. They were solving the same problem in different ways,' Rowe added. 'That kind of evolutionary flexibility,' Rowe added, 'probably helped them dominate ecosystems for so long.' — Reuters

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