President Barack Obama smiles at a baby after delivering remarks on heathcare reform at the University of Iowa in Iowa City on Thursday.
Hurricane Sandy has lurched westward as it heads toward landfall late Monday. It's also swapping energy sources as it becomes extratropical. The process sometimes gives storms a boost of power.
Researchers are unsure of how exactly the baleen whales are able to locate and identify one another every year.
Too many boats and technology that is too good mean that nations must cooperate to preserve tuna and other fish stocks.