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Mini video cameras offer peek at hard-to-observe bird behavior

Fledging behavior—when and why baby birds leave the nest—is something scientists know very little about. Rarely is someone watching a nest at just the right moment to see fledging happen. To get around this, the researchers ...

Signs of bac­teria in the bovine fetus

Contrary to earlier assumptions, the intestines of newborn calves are not sterile, but contain DNA from various bacteria. Bacteria or their fragments originating in the mother may be significant to the development of the ...

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