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Anti-abortion protesters use bullhorns to counter abortion rights advocates outside the Supreme Court on May 3, 2022. Bonnie Jo Mount/The Washington Post via Getty Images

If Roe v. Wade is overturned, there’s no guarantee that people can get abortions in liberal states, either

25 states aren’t expected to ban abortion if the Supreme Court overturns Roe v. Wade. But limits on abortion in these places, too, make it an uncertain refuge for people seeking abortions elsewhere.
Nanoparticles can help cancer drugs home in on tumors and avoid damaging healthy cells. Kateryna Kon/Science Photo Library via Getty Images

Nanoparticles are the future of medicine – researchers are experimenting with new ways to design tiny particle treatments for cancer

The COVID-19 mRNA vaccines put nanomedicine in the spotlight as a potential way to treat diseases like cancer and HIV. While the field isn’t there yet, better design could help fulfill its promise.
Since the mid-1990s, people have been doing less and less walking or bicycling to work and school and spending a lot more time staring at screens. RainStar/E+ via Getty Images

A boom in fitness trackers isn’t leading to a boom in physical activity – men, women, kids and adults in developed countries are all moving less

Research is revealing that fitness trackers alone can be helpful facilitators toward changing a sedentary lifestyle but don’t motivate people to increase their physical activity.
Dozens of coronavirus vaccines are in clinical trials in the U.S. Joao Paulo Burini/Moment via Getty Images

Will new vaccines be better at fighting coronavirus variants? 5 questions answered

Existing coronavirus vaccines are not as effective against newer variants of the virus. Two vaccine experts explain how new vaccines currently in development will likely offer better protection.