Article about Triceratops' horns and their purpose. Triceratops had a sharp horn growing above each eye and a smaller horn growing in the center of its nose. Scientists wonder whether these dinosaurs used their headgear to recognize each other, to fight off predators, or to do a different kind of battle.
Compilation piece about how sports players communicate with each other. Athletes include Rachel Buehler (Soccer) Chris Young (Baseball) Mo Williams (Basketball) and Meghan Duggan (Women's Ice Hockey).
