Scientists have nailed the biomechanics of a centuries-long puzzle on how freshwater flatworms known as planarians reproduce. The asexual freshwater worms, notoriously difficult to study, tear ...

Activity 1 – Tap and find Activity 2 – Flowering plant quiz Activity 3 – Steps of flowering reproduction Activity 4 – Label the sexual organs Unlike animals, plants don’t need a male and a female to ...

Cell biology is the discipline of biological sciences that studies the structure, physiology, growth, reproduction and death of cells. Research in cell biology uses microscopic and molecular tools and ...

Physiology is the branch of the biological sciences that deals with the life-supporting functions and processes of living organisms or their parts. The study of physiology aims to understand how ...

Apr. 7, 2026 Scientists at Cornell University may be closing in on the long-sought “holy grail” of male contraception: a safe, reversible, nonhormonal method that completely halts sperm production. In ...