Satellites can quickly detect and monitor wildfires from space, like this 2017 fire that encroached on Ventura, California.
NASA Earth Observatory/Joshua Stevens
Satellites can already spot a new fire within minutes, but the information they beam back to Earth isn't getting to everyone who needs it or used as well as it could be.
Migrants hoping to reach the distant U.S. border walk along a highway in Guatemala in January 2021.
AP Photo/Sandra Sebastian
Climate migrants don’t fit neatly into the legal definitions of refugee or migrant, and that can leave them in limbo. The Biden administration is debating how to identify and help them.
Different African countries must come up with home grown solutions to curb misinformation or disinformation.
Users do spend some time thinking about whether information is true; the decision to share it (even if it’s fake news) depends on the topic and the type of message.
Hurricanes Katia, Irma and Jose on Sept. 8, 2017.
To get a sense of how bad the 2021 hurricane season will be, keep an eye on the African monsoon, ocean temperatures and a possible late-blooming La Niña.
Video evidence at trial played a crucial part in the conviction of a police officer for the 2020 murder of George Floyd.
AP Photo/Ben Gray
Video evidence can be powerful at a trial – but it does not always lead to a fair rendering of justice.
As fears of anti-Asian violence grow, police seek to be more visible to deter attacks.
AP Photo/Kathy Willens
White people are the main perpetrators of anti-Asian racism and violence, but white supremacy is still the problem when Blacks and Latinos attack Asians.
A rally against violence toward Asian Americans, after the March 16 attack in Atlanta, Georgia, that killed eight people, including six Chinese and Korean women.
Alexi Rosenfeld/Getty Images
The media tends to render Asian Americans as either a 'perpetual foreigner' or 'model minority' – both stereotypes that have been levied in tandem against immigrants from Asia since the 1830s.
A Jewish family gathers in person and over video conferencing for Passover celebrations in 2020.
Ezra Shaw/Getty Images
As vaccinated grandparents gather with their families this Passover, many might find solace in the history of the celebrations and how it offers hope for the future.
Tests shift focus from learning to gaps in scores.
kali9/E+ via Getty Images
Despite the disruption and challenges of COVID-19, standardized tests for America's students are expected to proceed this spring or fall. But what will the tests really show?
The use of coal for electric power has been declining fast in the U.S.
AP Photo/J. David Ake
Contrary to popular belief, falling natural gas prices didn't significantly accelerate coal power plant retirements. Here's what did.
Thousands of people protested in Hong Kong in July 2019 against a proposed extradition law.
omonphotography via Shutterstock
A transcript of episode 4 of The Conversation Weekly podcast. Including a story on how scientists are speeding up the hunt for dark matter.
A man is arrested during a protest against Hong Kong’s National Security Law in July 2020.
Plus new research finds a way to speed up the search for dark matter. Listen to episode 4 of The Conversation Weekly.
Dark matter can be inferred from an assortment of physical clues in the universe.
Researchers have found a way to speed up the search for dark matter using technology from quantum computing. By squeezing quantum noise, detectors can now look for axions twice as fast.
The polar vortex influences the jet stream, which can bring cold winter weather to the U.S. and Europe.
AP Photo/Bill Sikes
The media often call unusually cold, snowy storms a 'polar vortex.' The real polar vortex isn't coming down to visit the lower 48, but changes to the polar vortex can influence winter weather.
President Joe Biden called for faith in these ‘dark, dark times’ at the National Prayer Breakfast.
AP Photo/Alex Brandon
Joe Biden used the National Prayer Breakfast to call for unity amid 'dark, dark times.' The event has been attended by every president since Dwight Eisenhower in 1953.
Jill Biden holds the Bible as Joe Biden is sworn in as the 46th president of the United States on Jan. 20, 2021.
Saul Loeb/Pool Photo via AP
From the oath-taking on the Bible during the presidential swearing-in ceremony to the 'awe' and 'restraint' of the early Christian world, the meaning of 'religion' has gone through a long journey.
U.S. Secretary of Education Betsy DeVos speaks during the daily briefing on COVID-19 on March 27, 2020, in Washington, D.C.
JIM WATSON/AFP via Getty Images
US Secretary of Education Betsy DeVos has resigned. Five experts comment on the impact she had on education.
Exit, stage religious right.
AP Photo/Lynne Sladky
As Mike Pence prepares for life after the vice presidency, a scholar of religion looks back at the political and religious conversions that informed the politician's worldview.
John B. Weller
Global leaders pledged to protect 10% of the oceans by 2020. We're nowhere close and the goal has proven particularly challenging to achieve in international waters.
Open windows and doors to boost air flow and help remove airborne particles.
Daniela Torres/EyeEm via Getty Images
Being indoors with other people is a recipe for spreading the coronavirus. But removing airborne particles through proper ventilation and air filtration can reduce some of that risk.