Health

West Coast states are forming their own vaccine compact as Florida announces plans to ditch shot requirements for schoolchildren

A map of DNA methylation changes in human organs—from the stomach to the retinas—could help researchers discover more targets for antiaging therapies

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

Public health experts warn that the Centers for Disease Control and Prevention’s leadership crisis—sparked by the White House’s efforts to oust CDC director Susan Monarez—could jeopardize national biosecurity, pandemic preparedness and disease outbreak surveillance

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

Many questions still surround COVID vaccine access this fall, but here’s what we know so far

Steep population declines in most countries are expected to have negative effects over the next several generations, but adaptation is possible

A new long-term study suggests that the more heat waves people are exposed to, the more their body’s aging process accelerates

Microplastics are seemingly everywhere—and now growing research suggests they could be breeding grounds for drug-resistant bacteria

This gruesome parasite is more of a threat to your burger than to you

In a rare move for a U.S. public official, Secretary of Health and Human Services Robert F. Kennedy, Jr., called for a paper that found no link between aluminum in vaccines and disease to be retracted. The journal rejected the request

In honor of SciAm’s 180th birthday, we’re spotlighting the biggest “wait, what?” moments in science history.