Wildfire smoke, even from fires far away, carries potentially harmful gases that, once inside, tend to stick around. An air quality specialist offers an easy, cheap, effective way to deal with it.
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A new study traces how Russia’s empire building, especially in Ukraine, resulted in long-term economic damage and fomented rebellion for over a century.
If Israel’s Iron Dome is the best air defense system in the world, how did so many Hamas missiles get through? An aerospace engineer explains it’s a game of numbers.
Advanced artificial intelligence is new, but a similar idea has been around for hundreds of years: the power of a just-right sequence of numbers, letters or elements to animate matter.
Weightlifting and other forms of resistance training can help stave off loss of muscle mass and other age-related physical decline.
Art and science combine in this engineering course to let students turn their brainwaves into creative works.
Many people in Gaza are reliant on the United Nations and other international aid groups to meet their basic needs, like food and medical care. A scholar of peace and conflict economics explains why.
A special forces officer explains why an overreliance on intelligence is a recipe for disaster.
A group of academics look at the global evidence to examine the potential impact of supervised injection sites in Philadelphia and the US.
Horseshoe crabs play a unique role in medicine, but they’re also ecologically important in their home waters along the Atlantic coast. Can regulators balance the needs of humans and nature?
An atmospheric scientist explains how El Niño works, this year’s oddities and why this phenomenon doesn’t last long.
Newly approved and updated vaccines are the best tools available to combat COVID-19, the flu and RSV, as infections and hospitalizations tick upward and cold and flu season gets underway.
Over the past decades, many Chicana artists have used Guadalupe to emphasize issues of justice around immigration.
Controlled experiments are impossible in astronomy, as are direct measurements of physical properties of objects outside our solar system. So how do astronomers know so much about them?
Israel’s intelligence capacities are considered some of the best in the world – but unlike the US, it does not have a central organization coordinating all intelligence.
Russia’s 2022 invasion of Ukraine reprised the risks of energy weaponization, but the oil landscape today and energy security itself are changing.
A major crisis abroad may exacerbate internal divisions within one of the US’s major political parties.
An estimated 150 hostages were taken by Hamas in Israel and brought back to Gaza. The government of Israel faces tough choices in dealing with the crisis.
Saltwater intrusion is bad for human health, ecosystems, crops and infrastructure. Here’s how seawater can move inland, and why climate change is making this phenomenon more frequent and severe.
There’s a flurry of excitement every time a comet comes into view from Earth. But what are these celestial objects, and where do they come from?
The human body has been making antivirals for eons, long before scientists did. A protein in your cells called viperin produces molecules that work similarly to the COVID-19 antiviral remdesivir.
Gendered words can be offensive in certain contexts – it’s all in what’s being signaled, according to a sociolinguist
Collaborative work benefits calculus students, new research shows.
The enclave abutting Israel has been described as the world’s ‘largest open-air prison.’ Conditions have deteriorated for the population there under a 16-year blockade.
It’s part of a decadeslong trend.