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Bacteria could help tackle the growing mountains of e-waste that plague the planet. Although researchers are a long way from optimizing the approach, some are already confident enough to pursue commercial ventures.
Image credit: Shutterstock/aquatarkus.
Art therapy often appears to work. But why might creating abstract art from papier-mâché and pastel help access, explicate, and even soothe the pain of a traumatic experience or condition?
Image credit: the National Intrepid Center of Excellence.
In the News
Holographic acoustic tweezers, in which ultrasonic waves produced by arrays of sound emitters are used to individually manipulate up to 25 millimeter-sized particles in three dimensions, could be used to create 3D displays consisting of levitating physical voxels.
Human induced pluripotent stem cell-derived medial ganglionic eminence cells alleviate chronic epilepsy in rats, raising the possibility of autologous grafts, which could preclude the need for immune suppression after grafting and promote long-term graft–host integration.
By the end of the 21st century, annual mean residential electricity consumption in China’s Yangtze River Delta might increase by an estimated 9.2% for each 1 °C increase in global mean surface temperature relative to the late 20th century.
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Science Sessions Podcasts
Christopher Monroe discusses recent developments in quantum computing.
FEATURED QNAS
PNAS QnAs with NAS member and molecular biologist Steven A. Kliewer
