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New World screwworm is the name given to the larval, or maggot, stage of the Cochliomyia hominivorax blowfly

Flesh-Eating Screwworms Have Been Detected in the United States 60 Years After They Were Eradicated From the Country

The parasites were identified in a bovine in southern Texas. This marks the third time the cattle-threatening pests have been found in the U.S. and the first in Texas since they were eradicated in 1966

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America at 250: The Revolutionary Spark

This Playful Interactive Reveals the Medical Advances That Have Made Life Better … and Sometimes Longer

From replacing lost limbs to helping a heart find its rhythm, the work of American doctors and researchers has improved lives in incalculable ways

A photo illustration of Jonas Salk.

America at 250: The Revolutionary Spark

When the Fear of Polio Gripped the World, Jonas Salk’s Determination Led to a Liberating Medical Breakthrough

The son of the doctor, himself now a physician and researcher, recalls his vaccination in the kitchen as painless. Now, he recounts the impact of the work his father led

Two members of the Médecins Sans Frontières Ebola response team outside a hospital in the Democratic Republic of Congo

These Experimental Ebola Treatments and Vaccines Might Help Slow the Outbreak Spreading in Congo and Uganda, WHO Says

No approved therapeutics exist for the virus species causing the outbreak, which has been associated with more than 1,000 cases of Ebola. The World Health Organization has identified several therapeutics to test in clinical trials in the coming months

The true story of the gin and tonic is less about a singular invention and more about the convergence of science, medicine, commerce and empire over several centuries.

The Gin and Tonic Is a Cocktail With a Storied History. Don’t Overlook Scotland’s Connection to the Classic

The country’s scientists, doctors, merchants and distillers all played significant roles in transforming the simple combination that packs a complicated mythology

A mosquito drinking blood from a bag, accessible through mesh

Could Bug Spray Attract Mosquitoes? Lab Insects Learned That the Smell of DEET Would Lead Them to a Tasty Treat

Researchers don’t know how the findings might overlap with real-world settings. But the discovery suggests that we’re most vulnerable when our insect repellent is wearing off, meaning we should reapply it regularly

The drug ensitrelvir, under the brand name Xocova, was recently approved in Japan as a post-exposure protection against Covid-19.

This Pill Can Prevent You From Getting Covid-19 After Exposure to the Disease-Causing Virus, According to a Clinical Trial

The drug showed promising results in an international study involving nearly 2,400 participants, and the U.S. Food and Drug Administration is expected to make an approval decision for it in June

The researchers say this is one of the first studies looking at the effects of cold exposure over a prolonged period of time in people who are overweight or have obesity.

Regularly Wearing a Cooling Vest Might Help You Lose Body Fat, According to a New Study

Participants who were overweight or living with obesity wore the accessories for two hours every morning for six weeks and lost an average of two pounds. The researchers suspect showering or swimming in frigid water could have similar effects

Researchers tracked children's reactions to particular food exposure when they were fetuses, newborns and then 3-year-olds.

Want to Avoid Having a Picky Eater? Start Exposing Your Kids to Veggies Super Early—in the Womb

In a new study, 3-year-olds who were repeatedly exposed to the taste of bitter kale as fetuses appeared to be less averse to the leafy greens’ scent than they were to a food smell they hadn’t experienced in utero

A visitor washes his hands before entering a hospital in the Democratic Republic of Congo as part of Ebola prevention measures.

The Ebola Outbreak in Africa Was Declared a Global Health Emergency by the WHO. Here’s What to Know About the Rare but Severe Illness

The international health agency notes that the outbreak does not meet the criteria for a pandemic, and the U.S. Centers for Disease Control and Prevention says that the risk to the American public is low

CAR-T cells are a patient's own T cells, a form of white blood cell, that have been genetically modified to recognize and destroy certain cancer or autoimmune cells that might otherwise be tolerated by the immune system.

How a Revolutionary Cancer Treatment Could Reset the Immune Systems of Patients With Autoimmune Diseases

Researchers are testing CAR T-cell therapy as a treatment for lupus, Graves’ disease and other conditions in which the body’s defenses go rogue

The study focused on brain cell activity in a structure called the hippocampus, which is important for memory and learning.

Is the Unconscious Mind Aware of Its Surroundings? New Research Suggests Anesthetized Brains Can Process Overheard Words

Seven participants had electrodes temporarily implanted in a brain structure important for learning. While anesthetized, their nerve cells learned to differentiate between distinct sounds—and could even predict upcoming words in phrases

The procedure was likely extremely painful. But, afterward, the Neanderthal continued chewing with the tooth, which suggests they felt some relief.

New Research

Neanderthals Got Cavities, Too—and New Research Suggests They Drilled Into Their Teeth to Treat Them, Just Like Modern Dentists

Researchers unearthed a 59,000-year-old Neanderthal molar that shows signs of dental surgery, a discovery that pushes back the earliest evidence of dental work by roughly 45,000 years

Laboratory experiments involving pregnant mothers suggest that they can spread yawns to their soon-to-be-born offspring in the womb.

Fetuses Can ‘Catch’ Yawns From Their Mothers While Still in the Womb, New Research Suggests

Yawning is considered a social behavior. Although fetuses were known to yawn, scientists weren’t sure if it was a self-contained reflex or if they could somehow detect cues from their moms

A museum-goer looks at a Vincent van Gogh painting.

New Research

The Relaxation of Regularly Listening to Songs or Drawing Pictures May Actually Slow Cellular Aging, New Research Shows

According to a new study, people who are exposed to art on a weekly basis are about a year younger “biologically” than those exposed only once or twice per year

During and after pregnancy, hormones drive profound changes in the brain’s structure and function.

Pregnancy Changes Mothers’ Brains. These Recent Discoveries Are Showing Us How

“Baby brain” isn’t the deficit it’s stereotyped to be, research suggests. Neural adaptations during pregnancy can prime soon-to-be-moms to become more attuned to their children and enhance social cognition

The 20-karat gold wire was installed some time before the man died.

New Research

Why Did This Wealthy Scotsman Pay a Jeweler to Wrap His Teeth in Gold Wire Hundreds of Years Ago?

What an early example of a dental bridge reveals about health, wealth and social values in the late medieval and early modern world

The treatment involves wearing a headset for various at-home sessions.

The Future of Mental Health

FDA-Approved At-Home Brain Stimulation Device Aims to Treat Depression by Changing Patients’ Brain Excitability

The treatment consists of a Bluetooth headset that patients can connect to an app on their smartphones. It could mark a revolution in mental health medicine

The HPV vaccine defends patients against cervical cancer. 

Could Australia Be the First Country to Eliminate Cervical Cancer? It’s on Track, but HPV Vaccination and Screening Rates Are Falling

The country implemented a national vaccination program to prevent the disease in 2007. New data show that in 2021, no women under age 25 were diagnosed with cervical cancer, marking a major milestone

The MV Hondius, the cruise ship facing a hantavirus outbreak, anchored off the coast of Cape Verde, an archipelagic country near West Africa

A Deadly Outbreak of Hantavirus Has Stranded a Cruise Ship in the Atlantic Ocean. Here’s What to Know About the Rare Contagion

Three people associated with the vessel have died, and health officials have identified a total of two confirmed cases and five suspected cases of the infection. The virus usually spreads via contaminated rodent droppings

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