News
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River dolphins can whistle, too, sort of
In the most elaborate attempt so far to eavesdrop on Brazil's pink river dolphins, researchers have detected what may be a counterpart to seafaring dolphins' whistles.
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Do parents with extra help goof off?
When researchers stepped in to help feed baby sparrows, the parents did not slack off but brought even more food.
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New robot frog gets into fights
Researchers have finally managed to build a robot frog that can provoke male frogs to attack.
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Nursing moms face meds dilemma
A research review yields a little advice and a lot of uncertainty for nursing mothers with mental disorders who may expose their babies to potential dangers if they take prescribed psychoactive drugs.
