Infections of Drug-Resistant ‘Nightmare Bacteria’ Are Surging in Hospitals
The infection rate of one type of carbapenem-resistant Enterobacterales bacteria has risen by more than 460 percent in recent years. Scientists say people receiving treatment in hospitals are at highest risk
Trump Team Backs Unproven Autism Drug, Sparking Scientific Concern
The Trump administration is backing leucovorin as a treatment for autism, despite limited evidence. Some doctors and researchers are concerned
Nobody Knows How Tylenol Really Works
The common pain reliever is safe when used as directed, research shows. But scientists remain puzzled by one aspect: how it reduces pain and fever
U.S. Vaccine Guidance Is in Chaos, Fired CDC Director Tells Senators
Former CDC chief Susan Monarez testified that Secretary of Health and Human Services Robert F. Kennedy, Jr., had demanded she rubber-stamp recommendations from his remade vaccine panel
Early Experiments Show Fast-Acting Antidote Targets Carbon Monoxide Poisoning
A study in mice and on human blood uses a new protein to snag carbon monoxide before it latches onto blood cells
A ‘Make America Healthy Again’ Report Goes Easy on the Food Industry
A childhood health report led by RFK, Jr., links poor diet, chemicals, inactivity and “overmedicalization” to worsening U.S. pediatric health
U.S. States Start Sharp Divisions on Vaccines
West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren
AI Spots Hidden Signs of Consciousness in Comatose Patients before Doctors Do
A machine-learning algorithm spotted signs of “covert consciousness” in coma patients—in some cases, days before doctors could do so
What Does the First Pig-to-Human Lung Transplant Mean for Xenotransplantation?
Surgeons think the first transplantation of a pig lung in a human is an exciting step forward for the field, but many questions remain open
New Cell Transplant for Type 1 Diabetes Sidesteps Need for Immunosuppressants
Scientists treated a person’s type 1 diabetes with genetically modified insulin-producing cells that evaded immune system attacks. This is the first therapy for the condition that does not require immunosuppressant drugs
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
In honor of SciAm’s 180th birthday, we’re spotlighting the biggest “wait, what?” moments in science history.
The Mystery of America’s Peanut Allergy Surge—And the Promising Science behind New Treatments
Peanut allergies more than tripled in U.S. kids between the late 1990s and late 2000s, and the prevalence has risen even more since then. Scientists are still searching for answers—and new ways to treat them.