The chemical messenger that controls flower power

The dazzling floral displays of early spring are starting to draw to a close. But wily gardeners know that they can keep plants in flower for longer by removing fruit and seeds as soon as they form.

Researchers go 'cuckoo' over Antarctic penguin poop

Antarctica's king penguins emit such copious amounts of nitrous oxide, or laughing gas, via their faeces that researchers went a little "cuckoo" studying them, according to a Danish scientific study published Thursday.

New insights into how genes control courtship and aggression

Fruit flies, like many animals, engage in a variety of courtship and fighting behaviors. Now, Salk scientists have uncovered the molecular mechanisms by which two sex-determining genes affect fruit fly behavior. The male ...

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