The sustainable aviation challenge is attracting plenty of investment and brainpower—as well as government policies aiming to incentivize development. But the innovations coming out of these efforts ...
PNAS is publishing an Editorial Expression of Concern for “Role of test motivation in intelligence testing,” by Angela Lee Duckworth, Patrick D. Quinn, Donald R. Lynam, Rolf Loeber, and Magda ...
Correction for Qian et al., Chemoptogenetic damage to mitochondria causes rapid telomere dysfunction
The authors note that Christopher J. Bakkenist should be added to the author list between Dmytro Kolodieznyi and Marcel P. Bruchez. Christopher J. Bakkenist should be credited with designing research, ...
Edited by Joseph Kieber, The University of North Carolina at Chapel Hill, Chapel Hill, NC; received November 27, 2024; accepted January 7, 2025 ...
A yellow-breasted capuchin nut-cracking site, with the remains of the used hammerstone and resulting sharp-edged flakes and fragments atop a large stone anvil. The development of stone tools, ...
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