A new fertility drug, originally developed to prevent the recurrence of breast cancer, is 30 percent more effective in helping some women become pregnant than one used for more than 40 years, new research shows.
Leaf-mining insects disappeared from the western United States after the late-Cretaceous asteroid impact that also triggered the extinction of dinosaurs.
Earth’s biodiversity, the product of 3.5 billion years of evolutionary trial and error, is the highest in the history of life—but it may be reaching a tipping point.
A new vaccine uses a booster normally found in cancer vaccines to combat dust-mite allergies by naturally switching the body’s immune response.
In Aesop’s fable about the crow and the pitcher, a thirsty bird finds a vessel of water, but when he tries to drink from it, he finds that the water level is too low.
Mechanical engineers have found a way to dramatically increase the sensitivity of a light-based plasmon sensor.
Struggling with multiple chronic illnesses shortens life expectancy dramatically, and for older Americans, it threatens to reverse recent gains in average lifespans.
In the United States, one infant is born each hour with drug withdrawal, but the medical care they receive varies widely, new research shows.
The first assessment of community-led marine conservation in the Western Indian Ocean shows a revolution in the management of more than 4,200 square miles of marine protected areas.
The size and age of plants have more of an impact on their productivity than temperature and precipitation do, a new study suggests.
Persistent health disparities by race may be related, in part, to anxiety about being confronted by negative racial stereotypes while receiving healthcare.
Bacteria use their bodies as well as their flagella to move through fluids, report researchers. The finding could shed new light on the evolution of cell body shape.
People with schizophrenia are more likely to end up in prison in states with tight Medicaid policies governing antipsychotic drugs, research shows.
The disastrous March 22 landslide that killed 43 people in the rural Washington state community of Oso involved the “remobilization” of a 2006 landslide on the same hillside, a new study shows.
Children who have poor language skills during their toddler years may also be unable to control their behavior—which can lead to ADHD and other disorders of inattention and hyperactivity.
A new study shows that older African Americans are 24 percent less likely to fall than are whites. “Millions of older adults living in community settings are just one bad fall away from a nursing home,” says lead author Emily Nicklett, assistant professor of social work at the University of Michigan.
A brainstem circuit in mice could help explain how active movement changes the way the brain processes sensory information.
In the past decade, an unexpectedly high number of calves have been born to North Atlantic right whales—a species once projected for extinction.
A new combination drug therapy cures chronic hepatitis C in most patients also infected with HIV—and without the side effects of current treatments.
When people suffer from sleep deprivation, they tend to misremember details of events, a new study finds.