Fluorescent protein sheds light on bee brains

An international team of bee researchers involving Heinrich Heine University Düsseldorf (HHU) has integrated a calcium sensor into honey bees to enable the study of neural information processing including response to odors. ...

Scientists find new variations among sperm cells

The behavior of sperm cells is due, in part, to the individual DNA make-up of these cells, rather than only to the genetics of males, finds a team of scientists. Its results, which provide a new understanding of the competition ...

Ambrosia beetles breed and maintain their own food fungi

Ambrosia beetles practice active agriculture: A bark beetle species breeds and cultivates food fungi in its nests and ensures that so-called weed fungi spread less. This has now been experimentally demonstrated for the first ...

Genetic clues to how dogs became man's best friends

Two mutations in the melanocortin 2 receptor gene—which is involved in the production of the stress hormone cortisol—may have played a role in the domestication of dogs by allowing them to develop social cognitive skills ...

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