You can see that it’s limited by the materials in the tires and track (captured by the frictional coefficent) and the gravitational field (so, what planet you’re on). Notice that the mass has canceled out. It doesn’t matter if you have a more massive vehicle. Yes, you get more friction, but it’s also harder to…
Student nutrition directors like Primer say the foundation that allows schools to experiment with new recipes is California’s universal free lunch program. She notes that, when school lunch is free, students are more likely to actually try and enjoy it: “Free food plus good food equals a participation meal increase every time.” Nora Stewart, the…
In fact, bubble bursts caused by wave energy can release 100,000 metric tons of microplastics into the atmosphere each year. Since dolphins and other marine mammals breathe at the water’s surface, they may be especially vulnerable to exposure. Where there are more people, there is usually more plastic. But for the tiny plastic particles floating…
To study the cell membranes of deep-sea animals, the biochemist Itay Budin (center) joined forces with marine biologists Steve Haddock (right) and Jacob Winnikoff (left). Photographs: From left: Tamrynn Clegg; Geoffroy Tobe; John Lee “They are looking into an area that, to a large degree, has not been explored,” said Sol Gruner, who researches molecular…
We know surprisingly little about the impact of smartphone bans in schools, says Sonia Livingstone, a professor at the London School of Economics who studies how digital technologies affect young people. There are relatively few good studies in this area, and those studies that have been done often point in contradictory directions. There is just…
Drugmaker Novo Nordisk is taking action to curb the massively popular compounded semaglutide industry, which provides copies of its blockbuster weight-loss drugs Ozempic and Wegovy to patients—often for much lower prices. The Danish pharmaceutical company is lobbying the US Food and Drug Administration to add semaglutide to the agency’s Demonstrable Difficulties for Compounding (DDC) lists,…
“Growth, growth, fast growth,” Strey says of what investors were after. “You burn money to grow.” Before its introduction to venture capital, the Plantix team had imagined success as simply making a profitable business. But a modest goal “hasn’t always been that sexy for investors,” who prefer to rapidly build toward a single giant payout,…
The apparent success of the leaseback arrangement might explain how Rush was able to attract what was OceanGate’s largest ever investment in 2020, at a time when the company was working on the expensive task of replacing the Titan’s first hull that had cracked during testing. The $18 million in equity funding allowed OceanGate to…
One of these, called the Argus II, was approved for commercial use in Europe in 2011 and in the US in 2013. That implant involved larger electrodes that were placed on top of the retina. Its manufacturer, Second Sight, stopped producing the device in 2020 due to financial difficulties. Neuralink and some others, meanwhile, are…
October 21, 2024 — Researchers at the Hebrew University of Jerusalem have discovered a group of bacterial toxins that can kill harmful bacteria and fungi and could lead to new methods for fighting infections. According to the study published in Nature Microbiology, these toxins, found in over The post New Arsenal of Bacterial Toxins for…
