The European Space Agency’s (ESA’s) Solar Orbiter is out of alignment with the rest of the Solar System. And that’s a good thing. By orbiting the Sun outside of the
Could seeing the luminescent twinkle of fireflies on summer evenings soon be a thing of the past? Recent claims circulating on social media say that we may be the last
The king of the dinosaurs has finally found its prince. A team of paleontologists from the University of Calgary has discovered a new species of dinosaur, called Khankhuuluu, that is
Key Takeaways on Squid Eyes The smallest squid eye is about 15 millimeters, while the largest squid eye can get up to 11 inches in diameter. Squid eyes are like
Proceedings of the National Academy of Sciences, Volume 122, Issue 23, June 2025. SignificanceDaily choices are determined by past direct or undirect associations between innocuous cues and reinforcers. In this
Proceedings of the National Academy of Sciences, Volume 122, Issue 23, June 2025. SignificanceThe protein kinase A (PKA) is an evolutionarily conserved regulator of diverse cellular processes, so advances in
Proceedings of the National Academy of Sciences, Volume 122, Issue 23, June 2025. SignificancetRNAs are required to translate the genetic code into protein sequence. tRNAs also contain more modifications than
Proceedings of the National Academy of Sciences, Volume 122, Issue 23, June 2025. SignificanceOur study reveals how allometric scaling laws, which describe size dependency of biological processes through power functions,
Proceedings of the National Academy of Sciences, Volume 122, Issue 23, June 2025. SignificanceThe mechanisms controlling rupture dynamics during seismic cycles remain elusive. Empirical friction laws and fracture mechanics constitute
Ivy League universities have dominated recent news headlines, having become popular targets for critics of higher education. But the threats they face—cuts to federal research funding, assaults on academic freedom,
