Download CBSE Class 9 Science Assertion and Reasoning Questions PDF for Biology (Tissues), Physics, and Chemistry. Get chapter-wise assertion reason questions for Chapter 1, Chapter 2, etc.

Download Chapter-wise NCERT Class 8 Science Book in PDF format. CBSE & UP Board recommends textbooks published by NCERT for 8th class ...

Discover why some chameleons hatch from eggs while others are born alive and how their habitats shape this survival strategy.

Pollination is crucial to plant life, but it also affects us in ways that go beyond farmland. Here's your guide to all things pollination.

Typically considered exceedingly rare in birds, a new study in Australia found sex reversal rates up to 6 percent for some avian species.

A digital atlas of every cell in a developing marine worm reveals how networks across the body coordinate sensing and movement, and provides insights into the evolution of the nervous system.

Cornell researchers have uncovered the genetic triggers that cause male and female bovine embryos to develop differently, as early as seven to eight days after fertilization.

Scientists have studied female monkey embryos to map how, when and where the egg supply develops. This can now be used to ...