Scientists have finally cracked how mosquitoes decide where to fly—and it’s not by following each other. Instead, each insect ...

Tar made from birch tree bark is commonly found at Neanderthal sites, and experiments show that it kills some bacteria that ...

One year ago, Louisiana broke a fifteen-year silence on executions by debuting nitrogen hypoxia. Officials called Jessie Hoffman Jr.’s death “flawless,” yet their own reports noted “convulsive ...

For more than a century, condensed matter physics has grappled with one of its greatest unsolved challenges: how to build ...

For the first time, researchers have demonstrated that the properties of the perovskite family of materials can be used to ...

Data are needed on the effect of oxygen delivered through a high-flow nasal cannula, as compared with standard oxygen therapy, on intubation and mortality in patients with acute hypoxemic ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...