Discover the specific chemical signals that command airway cells to aggressively overproduce the thick mucus plugs characteristic of severe asthma attacks.
Discover the specific mammals that undergo true hibernation and how their survival strategy differs physiologically from torpor (bears) and brumation (reptiles).
Do all animals have blood? Examine the stunning biological diversity of internal transport, from true blood to hemolymph, blue fluids, and simple diffusion.