Butterflies thrive in grasslands surrounded by forest

For pollinating butterflies, it is more important to be close to forests than to agricultural fields, according to a study of 32,000 butterflies by researchers at Linköping University and the Swedish University of Agricultural ...

Courage to aim for less cleanliness?

Do the same laws of biodiversity which apply in nature also apply to our own bodies and homes? If so, current hygiene measures to combat aggressive germs could be, to some extent, counterproductive. So writes an interdisciplinary ...

Fires fueled spread of grasslands on ancient Earth

Ancient wildfires played a crucial role in the formation and spread of grasslands like those that now cover large parts of the Earth, according to scientists at Penn State and the Smithsonian National Museum of Natural History.

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 ...

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