The story we're usually taught is ... gasp ... biased. Here's what really happens.
Some birds use Earth's magnetic field to navigate, but how they do this has been a mystery. Now, researchers have found a protein in bird eyes with a quantum mechanical sensitivity to magnetic fields.
Could this tiny creature, named after a mythical multiheaded monster, hold the secret to eternal youth? Related to jellyfish and anemones, the hydra has an almost otherworldly ability to heal itself and stave off aging.