Herbicides can no longer control the weeds that threaten crop productivity and food security in the UK because the plants have evolved resistance, and future control must depend on management strategies that reduce reliance on chemicals. So concludes a nationwide epidemiological assessment of the factors that are driving the abundance and spread of the major agricultural weed, black-grass.
While serious violations like those in the Flint, Michigan, crises are rare, ensuring reliable access to safe drinking water poses challenges for communities across the country, according to a recent study.
A team of optics researchers has demonstrated the first-ever nonmagnetic topological insulator laser, a finding that has the potential to substantially improve the efficiency, beam quality, and resilience of semiconductor laser arrays.
A fossilized trackway on public lands in Lake County, Ore., may reveal clues about the ancient family dynamics of Columbian mammoths. Researchers who excavated a portion of the path found 117 footprints thought to represent a number of adults as well as juvenile and infant mammoths.
During her free skate for the figure skating team event at the 2018 Winter Olympics in PyeongChang, South Korea, Mirai Nagasu made history when she landed a triple axel, becoming the first American woman to do so at the Olympics and the third woman to do so in the history of the Winter Games.
Nagasu was the only skater in the women’s free skate who attempted the difficult jump, which requires a forward takeoff and three-and-a-half rotations. She’s one of only three American women who have landed a triple axel in competition, the other two being Tonya Harding and Kimmie Meissner, though Nagasu is the only one to have done it in the Olympics.
As might be expected, the internet was overjoyed when Nagasu completed the triple axel and took to Twitter to share their many emotions about it.