An ancient whale used sound beams to navigate and stalk prey 28 million years ago, an analysis of a new fossil suggests. The new whale species, called Cotylocara macei, contains air pockets in the ...
Cotylocara macei gen. et sp. nov. Etymology. Cotylo, for cavity, and cara, for head, both Greek, in reference to bilateral pits on the frontals. Species name recognizes Mace Brown for his ...
WASHINGTON (Reuters) - The deadly threat posed by German submarines during World War One helped spur scientists to develop sonar, using underwater sound signals to locate objects like subs that might ...
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