Berkeley
New Device Pulls Water from Dry Air, Powered Only by the Sun
By Robert Sanders, UC Berkeley News
Imagine a future in which every home has an appliance that pulls all the water the household needs out of the air, even in dry or desert climates, using only the power of the sun.
That future may be around the corner, with the demonstration this week of a water harvester that uses only ambient sunlight to pull liters of water out of the air each day in conditions as low as 20 percent humidity, a level common in arid areas.
The solar-powered harvester, reported in the journal Science, was constructed at the Massachusetts Institute of Technology using a special material — a metal-organic framework, or MOF — produced at the University of California, Berkeley.
This is a major breakthrough in the long-standing challenge of harvesting water from the air at low humidity,” said Omar Yaghi, one of two senior authors of the paper, who holds the James and Neeltje Tretter chair in chemistry at UC Berkeley and is a faculty scientist at Lawrence Berkeley National Laboratory.
“There is no other way to do that right now, except by using extra energy. Your electric dehumidifier at home ‘produces’ very expensive water.”
The prototype, under conditions of 20-30 percent humidity, was able to pull 2.8 liters (3 quarts) of water from the air over a 12-hour period, using one kilogram (2.2 pounds) of MOF. Rooftop tests at MIT confirmed that the device works in real-world conditions.
“One vision for the future is to have water off-grid, where you have a device at home running on ambient solar for delivering water that satisfies the needs of a household,” said Yaghi, who is the founding director of the Berkeley Global Science Institute, a co-director of the Kavli Energy NanoSciences Institute and the California Research Alliance by BASF. “
To me, that will be made possible because of this experiment. I call it personalized water.”
“It’s not just that we made a passive device that sits there collecting water; we have now laid both the experimental and theoretical foundations so that we can screen other MOFs, thousands of which could be made, to find even better materials,” he said. “There is a lot of potential for scaling up the amount of water that is being harvested. It is just a matter of further engineering now,” Wang said.
Yaghi and his team are at work improving their MOFs, while Wang continues to improve the harvesting system to produce more water.
“To have water running all the time, you could design a system that absorbs the humidity during the night and evolves it during the day,” he said.
“Or design the solar collector to allow for this at a much faster rate, where more air is pushed in. We wanted to demonstrate that if you are cut off somewhere in the desert, you could survive because of this device. A person needs about a Coke can of water per day. That is something one could collect in less than an hour with this system.”
Arts and Culture
Farwest Region Deltas Celebrate Centennial With “September Breakfast” Honoring Vivian Osborne Marsh
The region was established in 1925 under the leadership of Vivian Osborne Marsh, who became its first Regional Director. Marsh was a pioneering scholar and civic leader, earning recognition as the first Black woman to receive both a bachelor’s and a master’s degree in anthropology from UC Berkeley.
By Antoinette Porter
Hundreds of members of Delta Sigma Theta Sorority, Inc., and their guests gathered at the Martin Luther King Jr. Student Union at the University of California, Berkeley, to mark the 100th anniversary of the sorority’s Farwest Region.
The region was established in 1925 under the leadership of Vivian Osborne Marsh, who became its first Regional Director. Marsh was a pioneering scholar and civic leader, earning recognition as the first Black woman to receive both a bachelor’s and a master’s degree in anthropology from UC Berkeley.
Marsh went on to serve as Delta Sigma Theta’s 7th National President, where she launched the sorority’s National Library Project to expand access to books in underserved Black communities in the South. During her presidency, the organization also became a prominent voice in the civil rights movement, lobbying Congress to pass anti-lynching legislation.
Bak in the Bay Area, Marsh devoted her career to advancing educational opportunities, mentoring young people, and strengthening community life. That commitment continues to shape the region, which supports initiatives in education, social justice, and economic development. Current projects include raising scholarship funds for students at Historically Black Colleges and Universities, voter education campaigns, and health and wellness programs.
A century after its founding, the Farwest Region of Delta Sigma Theta remains active across California and other western states, carrying forward Marsh’s vision of service and advocacy.
Arts and Culture
Cal Performances Presents Angélique Kidjo & Yo-Yo Ma in Sarabande Africaine at UC Berkeley Greek Theatre on Aug. 30
On Saturday, Aug. 30, the pair will debut the Bay Area premiere of Sarabande Africaine, joined by pianist Thierry Vaton, percussionist David Donatien, and special guest Sinkane. The program illuminates centuries of musical interplay between African traditions and Western classical forms, using the Baroque sarabande dance, and its African ancestor, the Congolese spirit dance Zarabanda, as a gateway to exploring the deep, interconnected roots of global music.
By Carla Thomas
On Labor Day weekend two of the world’s most celebrated musicians and cultural ambassadors, Grammy Award–winning vocalist Angélique Kidjo and legendary cellist Yo-Yo Ma join forces for an evening of music, history, and cultural dialogue at UC Berkeley’s historic Hearst Greek Theatre.
On Saturday, Aug. 30, the pair will debut the Bay Area premiere of Sarabande Africaine, joined by pianist Thierry Vaton, percussionist David Donatien, and special guest Sinkane. The program illuminates centuries of musical interplay between African traditions and Western classical forms, using the Baroque sarabande dance, and its African ancestor, the Congolese spirit dance Zarabanda, as a gateway to exploring the deep, interconnected roots of global music.
Both Kidjo and Ma have built careers not only as great performers but as passionate advocates for cultural understanding. Sarabande Africaine is as much a conversation about shared heritage as it is a musical performance, blending genres, geographies, and histories.
“Every day there are moments when all of us can feel we are on the inside of something and also when we feel we are on the outside of something,” said Yo-Yo Ma. “To be able to understand both at the same time and oscillate between the two gives us a larger perspective on the world.”
“If your mind is open, and there is no fear, it’s easier to listen, and to question yourself,” said Kidjo.
The upcoming performance is presented within Cal Performances’ Illuminations: “Exile & Sanctuary” series for the 2025–26 season. The production explores exile as more than just physical displacement, but a disruption in identity and belonging, while sanctuary represents both refuge and the creative space where new connections and communities can take shape.
Cal Performances’ Illuminations bridges performances with UC Berkeley’s academic research, pairing the arts with conversations about urgent global issues.
Kidjo’s continued partnership with Cal Performances includes her 2021–22 artist-in-residence, premiering her music-theater work Yemandja, set in 19th-century West Africa during the transatlantic slave trade.
She also participated in the Bias in Our Algorithms and Society panel alongside campus leaders like Jennifer Chayes, and joined the Black Studies Collaboratory for a dialogue on music, diaspora, and the world.
She has since returned to Berkeley for multiple performances, most recently in 2024 at Zellerbach Hall.
Yo-Yo Ma’s history with Cal Performances spans decades, beginning in 1997. One notable project includes the 2018 performance of Bach’s complete cello suites at the Greek Theatre, a testament to his devotion to creating “transformative concert experiences in iconic spaces.”
For tickets and more information, visit calperformances.org.
Activism
The Case Against Probate: False Ruling Invalidates Black Professor’s Estate Plan, Ignoring 28-Year Relationship
Zakiya Folami Jendayi, beneficiary of Head’s estate, states that “The errors, ranging from misstatements of fact, omissions of critical evidence, and reliance on false arguments and testimony, formed the basis of Judge Sandra K. Bean’s ruling against me, Dr. Head’s previous student, mentee, sorority sister and long-time friend,and despite the fact that I was her chosen, power of attorney, Advanced Healthcare Directive agent, trustee, executor and sole beneficiary.”
By Tanya Dennis
Part 5
In a shocking miscarriage of justice, a California probate judge issued a Statement of Decision on March 28 riddled with numerous documented errors that invalidated the estate plan of esteemed Black Studies professor Dr. Laura Dean Head.
The ruling from the Alameda County Superior Court’s probate division in Berkeley has sparked outrage from advocates for probate reform, community members and civil rights activists, who say the decision reflects deep flaws in the probate system, blatant disregard for due process, and the wishes of the ancestors. Judge Sandra Bean’s ruling reflects a repeated outcome seen in Black and Brown communities.
Zakiya Folami Jendayi, beneficiary of Head’s estate, states that “The errors, ranging from misstatements of fact, omissions of critical evidence, and reliance on false arguments and testimony, formed the basis of Judge Sandra K. Bean’s ruling against me, Dr. Head’s previous student, mentee, sorority sister and long-time friend,and despite the fact that I was her chosen, power of attorney, Advanced Healthcare Directive agent, trustee, executor and sole beneficiary.”
Reading court transcripts, the most egregious violations according to Jendayi reveal a pivotal point in the ruling that rested on a letter from Dr. Stephan Sarafian of Kaiser Permanente, who misidentified Dr. Head as male, misstated the day, month, and year, and asserted Head lacked capacity.
Under cross-examination, he reversed his opinion and admitted under oath that he never conducted a mental evaluation, did not diagnose Dr. Head with incapacity, did not write the letter, and stated he merely signed it “in case it was needed in the future.”
Despite Sarafian’s perjury, on Oct. 17, 2024, the California Court of Appeal upheld the lower court decision that relied on Sarafian’s discredited letter to invalidate Dr. Head’s estate plan, ignored Jendayi’s requests to impeach his testimony and dismiss Sarafian’s testimony and letter that both the Kaiser Grievance Department and the Medical Board of California denounced.
In her ruling, Judge Bean agreed with the false argument by attorney Leahy, which alleged that Jendayi provided the names of the beneficiaries to Head’s estate attorney, Elaine Lee. Bean made this decision despite Lee’s sworn testimony that Dr. Head had met with her alone, behind closed doors, and made the independent decision to leave her estate to Jendayi.
According to court records, Judge Bean reversed the burden of proof in the undue influence claim before any of Jendayi’s witnesses testified, forcing Jendayi to disprove allegations that were never substantiated by witnesses or records.
Bean ruled: “Respondent took Dr. Head to her apartment where she assumed complete control of Dr. Head’s day-to-day care, medical care, and all aspects of her life.” Jendayi proved that statement was false.
Bean also ruled that Respondent controlled Dr. Head’s necessities of life, food, and hospice care, despite zero testimony or documentation supporting any of those claims.
The court reduced Jendayi’s role to “a friend who, at best, cared for Dr. Head during the final two months,” totally ignoring 28 years of friendship, testimony, evidence, letters of recommendation, emails, and medical records.
Exhibits confirming Dr. Head’s intent and capacity, including the discredited medical letter, Exhibit 90, were omitted or misrepresented in the judge’s final decision.
Jendayi says, “The injustice within the probate justice system is devastating, traumatizing and financially depleting. It’s nothing short of legalized crime!”
Jendayi is now appealing to the Supreme Court of the U.S. with a petition citing denial of due process, judicial misconduct, and systemic bias in probate courts.
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