Welcome to Part 2 of the Advanced Placement® Practice Challenge! 🎓✨ Get ready to tackle 29 challenging questions designed to sharpen your knowledge across a wide range of subjects, from English ...

In our survey about 15 different behaviors debated in society, nine-in-ten U.S. adults say that married people having an affair is morally wrong. Republicans and Democrats differ sharply over the ...

From cancer to Alzheimer’s: could a renewed focus on energy transform biomedicine? Including energy dynamics in research could improve our understanding of diseases and of the healing processes that ...

Mar. 19, 2026 Scientists recreated a life-size oviraptor nest to understand how these dinosaurs hatched their eggs. Their experiments showed the parent likely couldn’t heat all the eggs directly, ...