Scientists think human pressures on oceans could cause more jellyfish blooms. What to do? Eat them, says a Danish gastrophysicist who has cracked the science of making them palatable.
Scientists say the buzz picked up by hydrophones in the Pacific may be caused by "fish farts" — the emptying of air bladders that let clouds of fish rise and fall during daily hunts for food.
If a starfish loses a limb, a new arm buds and grows in its place. But young moon jellies have a different strategy for self-repair: Existing limbs rearrange themselves to regain symmetry.