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Front Matter
Some researchers are aiming to apply the technique to a range of hard-to-treat maladies, including severe obsessive compulsive disorder, Tourette syndrome, and Alzheimer’s disease.
Image credit: Helen Mayberg.
For too long, the considerable importance and impacts of recreational fisheries have been ignored. Policymakers and managers need to do a better job acknowledging and addressing this very influential sector.
Image credit: Florian Möllers (photographer).
In the News
Fossil evidence helps address a longstanding debate on the evolution of hagfish, a jawless, marine-dwelling slime “eel,” and suggests that living jawless vertebrates may not be as primitive as their anatomy suggests.
Image courtesy of Tetsuto Miyashita.
A study estimates the Antarctic Ice Sheet mass balance—the net gain or loss of ice mass—over the past four decades, finding that from 1979 to 2017, the estimated rate of mass loss increased from 40 Gt/yr in the 1980s to more than 250 Gt/yr in the 2010s.
Image courtesy of Pixabay/MartinFuchs.
Low-income students performed better in science classes when they participated in exercises to help regulate negative emotions, according to a study that suggests that emotion regulation may play a role in academic success.
Image courtesy of Pixabay/mohamed_hassan.
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Daven Henze discusses how air pollution spreads across the globe and what policymakers are doing in response.
FEATURED PROFILE
PNAS Profile of NAS member and geologist Paul E. Olsen.
Image courtesy of Kevin Krajick (Columbia University, New York).
