The cerebral cortex, the brain's outermost region responsible for higher cognitive functions, depends on a highly ordered, layered structure. Its proper development requires newly generated neurons to ...

Cornell researchers have uncovered a built-in molecular "gate" that controls the production of the molecule nitric oxide, a crucial signaling molecule throughout biology that in humans helps regulate ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

CBSE Class 12 Biology Sample Paper 2025-26: For the current academic year 2025–2026, the Central Board of Secondary Education has released the most recent sample paper. Along with the marking scheme, ...

ISC Class 12 Biology Competency Focused Questions 2026 have been released by the CISCE Board to help students prepare according to the latest board exam pattern. These questions are designed to test ...