Chemosynthesis lets microbes make energy from chemicals instead of sunlight, supporting life in deep-sea vents and raising hopes for life beyond Earth.
DNA cloning lets scientists copy specific genes using enzymes, vectors, and bacteria. Here's how the process works and why it matters in research and medicine.
Finger pulley injuries range from mild aching to a sharp pop with visible bowstringing. Here's how to recognize the severity and what to expect during recovery.