Gene Drives Could Fight Malaria and Other Global Killers but Might Have Unintended Consequences
Every year more than 600,000 people die from mosquito-transmitted malaria, most of them children under age five. Some insects that are disease vectors, such as mosquitoes, are currently expanding their range around the world, bringing new threats. Genetic engineering can fix this by permanently altering insect genes through what is known as a gene drive.
A Sustainable Economy Depends on Sustainable Materials
Scientists and manufacturers are charting a path toward material sustainabilityThe circular economy minimizes waste and maximizes reuse. Credit: Jan KallwejtAt a family gathering in August, I gave a brief tribute to my mother on the occasion of her 90th birthday. As the guests sipped their coffee in the warm summer air, I ticked off a
Oceans Break Heat Record for Fourth Year in a Row
The world’s oceans hit their warmest levels on record for the fourth consecutive year in 2022, fueling sea-level rise and contributing to climate disasters Credit: stock_colors/Getty ImagesOceans hit their warmest levels on record for the fourth consecutive year in 2022, according to a new report by two dozen scientists. Previous heat records were broken in
See the Largest Flower Ever Found Encased in Amber
A rare flower encased in amber is the largest one ever found and dates from around 40 million years agoThe flower Symplocos kowalewskii in Baltic amber. To date, this fossil is by far the largest floral inclusion discovered in any amber. Credit: Carola Radke/Museum für Naturkunde BerlinThe fossilization process is an unrelenting slog of decay, compression and erosion
Ancient Americans Crossed Back into Siberia in a Two-Way Migration, New Evidence Shows
Scientists have long known that ancient people living in Siberia made their way into what is now North America. Mounting DNA evidence suggests migration also happened in the opposite directionThe sun rises over the continental divide in Bering Land Bridge National Preserve in Alaska. Credit: Natural History Library/Alamy Stock Photo Science has long known that people
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