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University of California, Irvine

The University of California, Irvine, is a public research university located in Irvine, California, and one of the 10 general campuses in the University of California (UC) system. UCI’s Orange County campus is the fifth-largest in the UC system, with over 29,000 students, 1,100 faculty members and 9,000 staff. Times Higher Education in 2013 ranked UC Irvine 1st among all US universities and 5th among the top 100 global universities under 50 years old.


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La telaraña cósmica. Visualización del gas cósmico (azul) alrededor de estructuras de materia oscura colapsadas (naranja/blanco). Los filamentos con las galaxias rodean grandes volúmenes de espacio, casi vacíos, de unos 100 millones de años luz de diámetro. © IllustrisTNG Collaboration

Tensión sobre la tensión de Hubble

¿Está la cosmología en crisis? Existe un conflicto manifiesto entre dos formas de medir el ritmo de expansión cósmica. ¿Significa esto que tenemos que revisar profundamente el modelo del Big Bang?
Bendungan Seli'š Ksanka Qlispe’ menyediakan listrik yang cukup untuk sekitar 147.000 rumah di Flathead Indian Reservation di Montana. Martina Nolte via Wikimedia Commons

Apa itu energi listrik tenaga air dan bagaimana cara kerjanya?

Bagaimana air yang mengalir menghasilkan listrik? Seorang insinyur menjelaskan pembangkit listrik tenaga air.
SAG-AFTRA captain Mary M. Flynn rallies fellow striking actors on a picket line outside Netflix studios in November 2023. AP Photo/Chris Pizzello

2023’s historic Hollywood and UAW strikes aren’t labor’s whole story – the total number of Americans walking off the job remained relatively low

Two labor scholars argue that the balance of power between workers and employers, which has been tilted toward employers for nearly a half-century, is beginning to shift.
Striking members of the International Ladies’ Garment Workers’ Union in New York City in 1958. AP Photo

Waves of strikes rippling across the US seem big, but the total number of Americans walking off the job remains historically low

Many of the reasons for strikes now – low compensation, technological change, job insecurity and safety concerns – mirror the motives that workers had for walking off the job in decades past.
New measurements from Japan’s Subaru telescope have helped researchers study the matter-antimatter asymmetry problem. Javier Zayas Photography/Moment via Getty

Measuring helium in distant galaxies may give physicists insight into why the universe exists

The way particles interacted while the universe was forming seconds after the Big Bang could explain why the universe exists the way it does – a physicist explains matter-antimatter asymmetry.
Overtly hostile behavior tends to diminish with age except for a minority of children who are at risk of later criminality. This makes childhood a critical time for steering those most in-need away from difficult life paths. (Erinn Acland)

Aggression in kids is related to how they read others’ emotions

Faces hold crucial clues on what others are thinking and feeling. So, does missing that key social information impact children’s unkind behaviour?
White teens and teens of color do not have identical online experiences. JGI/Jamie Grill/Tetra images via Getty Images

Research on teen social media use has a racial bias – studies of white kids are widely taken to be universal

Black, Latino, Asian and Indigenous teens have different online experiences – both positive and negative – than their white peers. These differences are overlooked when research focuses on white kids.
Some airlines are already experimenting with sustainable aviation fuel. Michael H/Stone Collection/Getty Images

The future of flight in a net-zero-carbon world: 9 scenarios, lots of sustainable aviation fuel

Airlines are investing in sustainable biofuel startups and starting to uses alternative fuels, including cooking oil, ag waste and corn ethanol. But biofuels alone won’t be enough, research shows.
The Seli’š Ksanka Qlispe’ Dam provides enough electricity for about 147,000 homes in the Flathead Indian Reservation in Montana. Martina Nolte via Wikimedia Commons

What is hydroelectric energy and how does it work?

How does flowing water make electricity? An engineer explains hydroelectric generation.
Manusia adalah satu-satunya hewan yang dapat mengekspresikan pikirannya dalam kalimat utuh. Oliver Rossi/DigitalVision via Getty Images

Ahli bahasa jelaskan kapan manusia mulai berbicara?

Seorang ilmuwan bahasa menjelaskan bahwa berbicara tidak pernah diciptakan tetapi telah berkembang selama ratusan ribu tahun.
As far back as the late ‘80s people could venture into a virtual online world. Screenshot of Habitat from Lucasfilm Games

The metaverse isn’t here yet, but it already has a long history

The metaverse is still unfolding, but it has been developing for more than a century. Rudimentary virtual worlds have existed – in imagination and reality – since the days of the telegraph.


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