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What should the U.S. learn from South Korea's COVID-19 success?

South Korea's response to Covid-19 has been widely praised. Will Americans ever be willing to adopt a similar approach?

Why are so few drugs tested for safety in pregnancy?

Expectant mothers have long been excluded from clinical trials. Some experts say this practice needs to change.

Experts raise questions over 'scary' heart studies

Two studies sparked fear that COVID-19 causes heart inflammation in people without symptoms. Some experts are questioning those findings.

undark Podcast: Capturing the songs of a changing climate

Acoustic ecologists are racing to record Earth's shifting soundscapes before they disappear.


In Nicaragua, Forests and Indigenous Communities Face Threats

After a brutal crackdown on dissent in 2018, deforestation and local conflict have intensified. Who's to blame?

Siddhartha Roy, Marc Edwards: From sewage sludge, a new perspective on the Flint water crisis

The 2014 lead crisis was troubling. But the science now suggests that other cities — and even Flint — have seen worse.

After years of gains, Black STEM representation is falling. Why?

The share of Black students completing STEM degrees was growing until the early 2000s. What went wrong?

The overlooked logistics of COVID-19 vaccine distribution

Local health departments say they lack the staff, money, and tools to distribute and administer millions of vaccines.

In a cross-state aquifer spat, a view of a water-stressed future

Mississippi sued Memphis over its use of a deep aquifer. A possibly paradigm-shifting Supreme Court decision looms.

When children's COVID-19 symptoms won't go away

Some parents report that their kids' symptoms have lingered for months. Experts, meanwhile, aren't sure what's going on.

The debate over COVID-19 distancing: How far is far enough?

The CDC recommends 6 feet or more, the WHO about half that distance. But experts say the science is far from settled.

Why do some people weather coronavirus infection unscathed?

Some scientists are confident that the immune system’s aggressive response to infection is only part of the story.

Will COVID-19 failures force changes to the public health system?

Covid-19 has laid bare America's outdated and fragmented public health data system, renewing calls for an overhaul.

Higher COVID-19 rates seen in health care workers of color

A new study shows minorities are more likely to report inadequate PPE and to work with Covid-positive patients.
From our Newsroom

Hormone-mimicking chemicals harm fish now—and their unexposed offspring later

Fish exposed to harmful contaminants can pass on health issues such as reproductive problems to future generations that had no direct exposure.

America re-discovers anti-science in its midst

Fauci, Birx, Redfield & Co. are in the middle of a political food fight. They could learn a lot from environmental scientists.

Roadmap points Europe toward safer, sustainable chemicals

EU Commission releases ambitious strategy for getting hormone-disrupting chemicals out of food, products, and packaging.

Exempt from inspection: States ignore lead-contaminated meat in food banks

Hunter-donated meat provides crucial protein to US food banks. But an EHN investigation found a lack of oversight that could result in potentially hundreds of thousands of lead-contaminated meals this year.

How Europe’s wood pellet appetite worsens environmental racism in the US South

An expanding wood pellet market in the Southeast has fallen short of climate and job goals—instead bringing air pollution, noise and reduced biodiversity in majority Black communities.

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