Authorities intercepted a woman using this drug kit in preparation for shooting up a mix of heroin and fentanyl inside a Walmart bathroom last month in Manchester, N.H. Fentanyl offers a particularly potent high but also can shut down breathing in under a minute.
Salwan Georges/Washington Post/Getty Images
A chimpanzee hugs her newborn at Burgers' Zoo in Arnhem, Netherlands, in 2010. Over the course of his long career, primatologist Frans de Waal has become convinced that primates and other animals express emotions similar to human emotions.
The Laser Interferometer Gravitational-Wave Observatory is made up of two detectors, this one in Livingston, La., and one near Hanford, Wash. The detectors use giant arms in the shape of an "L" to measure tiny ripples in the fabric of the universe.
For people with a rare condition known as misophonia, certain sounds like slurping, chewing, tapping and clicking can elicit intense feelings of rage or panic.
Photo illustration by Meredith Rizzo/NPR
A biomechanical model of producing an "f" sound with an overbite (left) compared with an edge-to-edge bite (right). Some linguists are arguing that the advent of softer food thousands of years ago led to changes in biting patterns and, eventually, to more frequent use of sounds like "f" and "v" in human languages.
There was an uproar in 2018 when a scientist in China, He Jiankui, announced that he had successfully used CRISPR to edit the genes of twin girls when they were embryos. Prominent scientists hope to stop further attempts at germline editing, at least for now.
A satellite image from Wednesday morning shows a powerful storm system heading east across the U.S. The storm is expected to bring high winds, snow and rain to much of the central U.S. in the coming days.
An artist's rendering shows a needle-like carbon nanotube delivering DNA through the wall of a plant cell. It also may be possible to use this method to inject a gene editing tool called CRISPR to alter a plant's characteristics for breeding.
Courtesy of Markita del Carpio Landry