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Students enter Crete Academy Charter School, which shares a campus with Budlong Ave. Elementary School in South Central Los Angeles.Los Angeles Unified school board members are scheduled to vote Tuesday on whether to further limit where charter schools can be located in the district. The proposed policy prevents charter schools from moving into schools that are focused on improving outcomes for Black students and providing additional community resources.
Even more surprising than the findings, perhaps, is the fact that they were derived from the study of sea sponges. A research team led by Professor Malcolm McCulloch of the University Western Australia Oceans Institute analyzed sclerosponges, a primitive orange sponge species found clinging to cave roofs deep in the ocean. Sclerosponges grow extremely slowly — just a fraction of a millimeter a year — and can live for hundreds of years.
Still, until this week’s study, there have been precious few alternative means of determining the average global ocean temperature before widespread industrialization and rampant carbon pollution. This is why the IPCC takes its preindustrial baseline from the period between 1850 and 1900, well after the beginning of the Industrial Revolution.
Sclerosponges, on the other hand, are simpler: They build their skeletons by pumping seawater in and out. “They seem not to fiddle too much with the composition of the calcifying fluid,” McCulloch added. Plus, they’d already demonstrated their reliability in analyses of carbon isotopes , and are found in the mixed layer of the ocean — the best place for the temperature analysis to occur.
The chemicals, called phthalates, are typically added to plastics like food packaging, shopping bags, and shower curtains to make them more flexible. They’re also used in scented cleaning and beauty products, as they make fragrances last longer. There are dozens of different kinds of these chemicals, and when ingested, they can interfere with hormones that regulate the reproductive system.
led by the National Institute of Environmental Health Sciences suggested that phthalate exposure is associated with a 14 to 16 percent greater likelihood of a preterm birth. Other research has linked phthalates to In April last year, all 29 properties operated by the nonprofit Skid Row Housing Trust were placed in receivership after falling into disrepair and becoming drug hubs.
“Railway fare wars at the turn of the century brought the price of train tickets from the East Coast way down, making travel more affordable. The city was also heavily promoted as a place to, associate sean at USC Graduate School. “Later, migrants were attracted by Hollywood, by jobs in the aerospace industry, and the port. The population of L.A. basically tripled between 1890 and 1900. The population doubled again between 1920 and 1930. I’ve always loved that Carey McWilliams’ quote about L.A.
While the nicer residential hotels had all the conveniences of a comfortable apartment, seasonal worker and transient accommodations were often shockingly substandard. Some were simply makeshift cubicles — larger rooms divided by plywood walls. Single rooms were not much better. According to Paul Groth’s masterful, these accommodations often offered “only a dilapidated bed , one rickety chair, and a hook for clothes.
The need for affordable housing grew exponentially in the 1930s. “The depression increased the number of migrants to the city. We’ve all seen the— the boosters got their way and California became a destination for millions who were pushed off family farms in the South and Mid-West,” Reitan said. “In the 1930s, downtown L.A. remained an important location for reasonably priced rent. And for those who bought the houses, having tenants was an important and steady source of income.
“The battle is that if all of those odd parcels and other historic buildings get converted or adaptively reused at a market rate, it will put speculative pressure on everything else,” Gudis said. “If we can re-utilize the existing housing and ensure that when additional housing is built, it's also affordable as opposed to being luxury, then we have a chance of continuing a real sense of community and that's much more ethical.
Up at the UC Berkeley Central Sierra Snow Lab, they’ve seen both fluffy white snow and the denser Sierra cement that they hope for, the latter of which has a higher water content.
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