The Conversation

Por qué los CDC de Estados Unidos recomiendan a los vacunados usar mascarilla

Written by Peter Chin-Hong, Associate Dean for Regional Campuses, University of California, San Francisco

Estados Unidos ya recomienda que todas las personas que se encuentren en zonas con altas tasas de infección por COVID-19 utilicen mascarillas en espacios públicos cerrados, independientemente de su estado de vacunación.Mario Tama/Getty Images

Los Centros para el Control y la Prevención de Enfermedades de Estados Unidos...

Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo

Written by John Tarduno, Professor of Geophysics, University of Rochester

Scientists have been studying lunar samples brought back from Apollo missions to understand the geologic history of the Moon. NASA

Surrounding Earth is a powerful magnetic field created by swirling liquid iron in the planet’s core. Earth’s magnetic field may be nearly as old as the Earth itself – and stands in stark contrast to...

Giant sea bass are thriving in Mexican waters – scientific research that found them to be critically endangered stopped at the US-Mexico border

Written by Arturo Ramírez-Valdez, Researcher, University of California San Diego

Giant sea bass are listed as a critically endangered species. Maru Brito, CC BY-ND

I was looking at the seafloor, focused on identifying fish species as I normally did when diving off of the California coast, when suddenly I felt something large above me. When I turned my head I saw a giant fish – more than 6 feet (2 meters) long –...

Formerly incarcerated teens share their research and ideas on how to improve the juvenile justice system

Written by Shiv R. Desai, Associate professor of education, University of New Mexico

Youth in New Mexico used their own experiences with arrest and incarceration to advocate for others. Brian Vander Brug/Los Angeles Times via Getty Images

“They treat us like animals.”

“I was called a menace to society by two judges.”

These are just two of the comments made by incarcerated teens during focus group interviews...

4 low-cost ways to create safe public spaces where all kids can play

Written by Renee Umstattd Meyer, Professor of Public Health, Baylor University

Play is especially important during the summer months, when kids tend to be less active.Bastiaan Slabbers/NurPhoto via Getty Images

Outdoor play is critical for child development – it decreases stress, increases communication and social skills, attention and physical activity, and enhances physical development.

During COVID-19, opportunities...

Lyme disease protection: No vaccine yet, but an antibody shot could soon provide a season of immunity

Written by Mark Klempner, Professor of Medicine and Executive Vice Chancellor for MassBiologics, University of Massachusetts Medical School

Ticks can carry bacteria that cause Lyme disease.jwilkinson/iStock via Getty Images Plus

Lyme disease has become an insidious epidemic in the United States. Caused by bacteria transmitted through the bite of an infected tick, it can lead to heart problems, meningitis or arthritis if left untreated. It is the most common tick-borne illness in the...

Biden moves to protect the Tongass, North America's largest rainforest, from logging and road building

Written by Beverly Law, Professor Emeritus of Global Change Biology and Terrestrial Systems Science, Oregon State University

View of Hobart Bay off Stephens Passage in Tongass National Forest, southeastern Alaska. Wolfgang Kaehler/LightRocket via Getty Images

Ask people to find the world’s rainforests on a globe, and most will probably point to South America. But North America has rainforests too – and like their tropical counterparts, these temperate...

Earth's energy budget is out of balance – here's how it's warming the climate

Written by Scott Denning, Professor of Atmospheric Science, Colorado State University

The Sun over Earth, seen from the International Space Station.NASA, CC BY-NC

You probably remember your grade school science teachers explaining that energy can neither be created nor destroyed. That’s a fundamental property of the universe.

Energy can be transformed, however. When the Sun’s rays reach Earth, they are transformed into...

Earth's energy budget is out of balance – here's how that's warming the climate

Written by Scott Denning, Professor of Atmospheric Science, Colorado State University

The Sun over Earth, seen from the International Space Station.NASA, CC BY-NC

You probably remember your grade school science teachers explaining that energy can neither be created nor destroyed. That’s a fundamental property of the universe.

Energy can be transformed, however. When the Sun’s rays reach Earth, they are transformed into...

5 ways Americans often misunderstand Cuba, from Fidel Castro's rise to the Cuban American vote

Written by Caroline McCulloch, Professor of International Relations, Florida International University

Street view of Havana, Cuba, July 26, 2021, several weeks after mass protests broke out.Yamil Lage/AFP via Getty Images

Cuba recently erupted in the largest protests seen there in six decades, reflecting popular anger over a crippling economic crisis, scarce food and medicines and a half-century of repression.

Cuba remains largely an enigma to...