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Why disease outbreaks on Chinese fur farms are a serious risk to public health

Farming animals for fur is not only cruel but also provides an ideal environment for viruses to mix and cross over into humans

Beating back the Aedes aegypti mosquito

Scientists are taking a multipronged approach to tackle this dangerous carrier of dengue, yellow fever and other noxious viruses

Top science stories of 2025

In a year of funding chaos, ongoing climate change and pollution perils, we also saw the most powerful telescope yet, personalized gene therapy, and the next-best-thing to an HIV vaccine — not to mention a brand-new color

Achieving lasting remission for HIV

People infected with HIV must take antiretroviral drugs for life. But promising trials using engineered antibodies suggest that ‘functional cures’ may be in reach.

The pernicious infections infiltrating Ukraine’s front lines

Doctors and scientists are waging a shadow war in the besieged nation: bacteria that are resistant to multiple antibiotics. The deadly bugs are now knocking on western Europe’s door.

HIV medications: Did fears about side effects come to pass?

The emergence of antiretroviral drugs saved millions of lives — but some worried about long-term health problems. Here’s how that turned out.

How climate change threatens eye health

Cataracts, pink eye and other ocular disorders are linked to heat, air pollution and higher UV exposure

Born in thin air: Overcoming the challenges of pregnancy at high elevation

In people not adapted to life at altitude, the sparse oxygen can impair fetal growth, causing problems that can last a lifetime. Researchers are searching for remedies.

Why sizzling cities are mapping hot spots street by street

In metros like Reno, Nevada, citizen scientists hit the road to collect detailed temperature data — key to taming urban heat, saving lives and designing for a warmer future

A devastating nerve disease stalks a mountain village

Neurologists have grappled with a cluster of amyotrophic lateral sclerosis cases in France, where a fondness for a toxic wild mushroom may hold the answer

The ones who need little sleep

Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects. Turns out they’re genetically built to require less sleep than the rest of us.

The great green building makeover

Getting our homes and workplaces to be energy efficient has major benefits — but not when it is done one window at a time. Here’s why deep retrofits and biomaterials are key to more sustainable living.

The tussle over cigarette warning labels, and the hazy future of vaping

Regulatory hurdles, industry objections and legal fights have gone on for decades over traditional tobacco. What’s in store for the next generation of smoking?

Understanding the sudden rise of type 2 diabetes in children

The metabolic disorder was long known as a disease of adulthood. Now, it’s spiking in kids and teens, with worrisome consequences.

In defense of wild meat’s place at the table

Sustainable and safe consumption of wildlife is possible, and important for those who depend on it, says a conservation researcher

Inching toward a global treaty on plastic pollution

Delegates from 175 nations are working on an international agreement that would tackle the vast amounts of plastic waste in the environment. A marine scientist specializing in plastic pollution discusses the problem and her hopes for the proceedings.

Why isn’t dental health considered primary medical care?

Ailments of the mouth can put the body at risk for a slew of other ills. Some practitioners think dentistry should no longer be siloed.

Soda taxes can’t reverse the obesity epidemic

OPINION: They might be able to help, but only if well-designed and in combination with other policies

Getting rid of bed bugs: Trickier than ever

The blood-sucking insects now show up in two varieties and are resistant to many pesticides. New eradication strategies include fungal spores and nasty human odors.

Genes and heart disease: Finally making the link

Polygenic risk scores — a patient’s chance, based on tiny DNA variants, of developing cardiovascular disease, breast cancer and more — are coming to clinics. But there are kinks to iron out and accuracy remains an issue.

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