Homing pigeons may use a surprising navigation mechanism
How animals navigate by Earth's magnetic field is hotly debated. New research in pigeons points to iron-laden liver immune cells as the compass.
How animals navigate by Earth's magnetic field is hotly debated. New research in pigeons points to iron-laden liver immune cells as the compass.
We summarize the week's scientific breakthroughs every Thursday.
An ocean current called the Atlantic Meridional Overturning Circulation will weaken by 50 percent by 2100. The question is what to do about it.