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Kevin Mazur, the Ultimate Celebrity Photographer
In a declining enterprise, Kevin Mazur has thrived by gaining the belief of the largest stars. His motto: “Why wouldn’t you wish to make folks look good?”

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The Presence of Certain Minerals May Explain Why the Lunar Farside and Nearside are so Different

Up till 1959, people had by no means laid eyes on the lunar farside. In that yr, the USSR’s Luna 3 spacecraft flew across the Moon and despatched footage of the farside again to Earth. Although the photographs had been grainy and black and white, they had been nonetheless revealing. They confirmed us that the farside was totally different. It has extra craters and fewer of the darkish volcanic plains, known as ‘maria’, that characterize the close to aspect.
The distinction between the 2 sides instantly raised questions on how the Moon shaped and advanced. Scientists questioned if Earth’s gravitational affect was accountable, or if the thickness of the crust was totally different. Scientists realized that the Moon wasn’t a uniform physique, they usually’ve been puzzling over the trigger ever since.
This historic photograph of the lunar farside was taken by Luna 3 on October seventh, 1959. The Soviet spacecraft gave humanity our first have a look at the opposite aspect of the Moon, revealing a extra cratered floor with fewer darkish volcanic plains. Picture Credit score: Public Area.
A brand new analysis article in Nature Communications exhibits how hint quantities of some minerals might clarify the lunar dichotomy. It is titled “Halogen abundance evidence for the formation and metasomatism of the primary lunar crust.” The lead creator is Jie-Jun Jing from the Geodynamics Analysis Heart at Ehime College in Japan.
It is targeted on chlorine (Cl) and fluorine (F) and their presence in minerals and melts on the Moon. “Halogen abundances in lunar minerals present distinctive perception into the Moon’s unstable funds, however incomplete data of halogen incorporation in minerals and melts limits their utility,” the authors write. “Most nearside lunar crust supplies become anomalously enriched in Cl in comparison with expectations from major crust formation fashions, seemingly on account of widespread (metallic chloride) metasomatism.”
Metasomatism is a geological course of the place rock’s chemical composition is altered when new chemical components are launched by water or magma.
Round 4.5 billion years in the past, the Moon was lined by a worldwide magma ocean. The solidification of the Moon is predicted to supply a plagioclase-rich crust. This solely seems within the farside of the Moon, whereas the nearside Moon is basically lined by darkish erupted basalts. Picture Credit score: Jiejun Jing
The researchers carried out lab experiments mimicking how Cl distributed itself in lunar magma and minerals by way of metasomatism. Additionally they labored with fashions of the evolution of the Moon’s inside and matched them with the halogen abundances present in lunar samples. They discovered that whereas nearside samples are anomalously ample in Cl, farside samples should not. They are saying that it is a results of metasomatism the place gaseous Cl-compounds discovered their method into lunar nearside rocks.
One other piece of the lunar puzzle is the Moon’s KREEP terrane. It is a big area on the Moon’s nearside with ample potassium (Okay), uncommon Earth components (REE) and phosphorous (P). Of the 4 lunar terranes, KREEP is the one one that’s discovered completely on the Moon’s nearside. It is also recognized for its excessive concentrations of thorium.
This determine exhibits thorium concentrations on the Moon. The massive space of excessive focus on the Close to Aspect (left) corresponds to the Procellarum KREEP Terrane, and the smaller space on the Far Aspect (proper) to the South Pole–Aitken Terrane. Picture Credit score: By NASA – http://solarsystem.nasa.gov/multimedia/show.cfm?Class=Planets&IM_ID=13643, Public Area
KREEP is essential to how the Moon shaped and advanced after its magma ocean section. Whereas KREEP was seemingly widespread across the Moon in its earliest levels, it is now confined to 1 area. Researchers aren’t sure why, it might be due to the huge affect that excavated the South Pole Aitken (SPA) basin. That is on the other aspect of the Moon and that affect might’ve created a thermal anomaly that drove the KREEP in the direction of the nearside the place it is discovered now.
The analysis exhibits that Cl vapour was widespread on the lunar nearside, however not on the farside. This means a robust connection between it and the lunar dichotomy.
The researchers assume that the Cl metasomatism could also be associated to degassing by affect or eruption from the KREEP terrane. Cl is extremely unstable and incompatible. Within the geological context, because of this Cl would not simply match into the crystal construction of minerals whereas magma is cooling and changing into stable.
“Chlorine-rich vapors launched throughout eruptions (or impact-induced evaporation) performed a key function in reworking the Moon’s nearside that human can see,” the authors clarify. Alternatively, they hypothesize that the farside is untouched by these vapour-related volcanic actions. It is extra pristine than the nearside, and preserves info from the Moon’s magma ocean section.
This analysis might clarify the lunar dichotomy however the authors level out that extra proof is required. China has landed two missions on the lunar farside, together with the Chang’e-6 mission which gathered samples. In accordance with the authors, lunar farside missions might present the proof wanted to strengthen their clarification.
“The speculation that Cl metasomatism is restricted to the Procellarum KREEP terrane will be additional examined by combining our experimental knowledge with halogen measurements of farside Chang’e-6 samples,” they conclude.

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Hardcore birders and casual sparrow spotters: Science needs you

Consideration would-be warbler watchers and pigeon peepers: Ornithologists at UCLA and the Pure Historical past Museum of Los Angeles County are recruiting volunteers for Project Phoenix, a multiyear citizen science initiative investigating birds’ response to wildfire.
The workforce is in search of volunteers in California, Oregon and Washington to gather knowledge from July via November, the period of the official West Coast hearth season.
Volunteers want to decide on a snug, acquainted spot — a yard, a balcony, a favourite native park — and spend 10 minutes there every week noting any chicken exercise they hear or see. They then enter their observations on the web platform eBird.
No chicken data or experience is required, mentioned program director Olivia Sanderfoot, a UCLA ornithologist. Newbies particularly are welcome, in actual fact, as they’re extra apt to note widespread species and behaviors that longtime chicken watchers may overlook.
“Whether or not you’re an skilled birder who has been birding your complete life or you could have by no means thought of birds, you’re welcome to affix Mission Phoenix,” Sanderfoot mentioned. “We would like this program to be accessible.”
That is the third consecutive yr of the research, which began in 2023 with about 300 volunteers monitoring chicken conduct over a three-month interval.
The research goals to grasp the effects of wildfire smoke on birds, an understudied part of the ever-expanding Western hearth season. The extra knowledge volunteer observers collect, the higher ornithologists can perceive how fires have an effect on these animals and what steps will be taken to assist them.
Individuals can decide to the entire season or only a few weeks. Researchers will cross-check volunteers’ notes towards hearth and smoke distribution knowledge to search for patterns in animal conduct. For many who battle to inform a bushtit from a barn owl, the workforce has assembled resources to assist distinguish between widespread native species and may reply particular person questions by way of e mail. Volunteers’ notes are additionally reviewed by a workforce of skilled birders earlier than being handed on to researchers, who will observe up with additional questions on any extremely uncommon birds or conduct famous.
What could really feel like informal observations to a yard birder are literally invaluable knowledge factors, Sanderfoot mentioned.
From the primary two years of mission knowledge, scientists have already observed that the presence of soot particles — a significant part of wildfire smoke — adjustments the likelihood that sure chicken species will probably be noticed in a given space, Sanderfoot mentioned. The rationale why isn’t but clear.
Are scrub jays displaying up in parks the place they usually aren’t noticed? They might be relocating to keep away from sooty skies. Is the motion at a yard feeder getting surprisingly heated? It’s doable that birds aggravated by smoke have gotten extra territorial. Scientists wish to know if birds are literally flying to new areas when air high quality declines, or if they’re altering their behaviors in ways in which make them more durable or simpler for human bird-watchers to identify.
“These are the hypotheses we hope to check with the info we acquire in 2025,” Sanderfoot mentioned. “The extra folks we’ve got engaged, the extra possible that we’ll have folks in place to seize these impacts the place they happen. It requires folks energy.”
Signups are at www.projectphoenix.study.
The bird-watching can also be enjoyable, volunteers mentioned.
“I’ve loved having the ability to decelerate and simply cease to watch for 10 minutes,” mentioned Carrie Brown-Kornarens, a Los Feliz ceramicist and wildlife fanatic who has volunteered for Mission Phoenix because the research’s launch. “Staying in a single spot brings the birds to you, and it’s a peaceable expertise.”

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Trump May Get His ‘Big Beautiful Bill,’ but the G.O.P. Will Pay a Price
And so will many citizens.

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