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 ...

Competing crabs don't fight over 'homes'

Two hermit crab species which live on the same beach have adapted to coexist by selecting differently shaped shells as their homes, according to a study in the open access journal BMC Ecology.

Are students getting enough air?

Roughly 85 percent of recently installed HVAC systems in K-12 classrooms investigated in California did not provide adequate ventilation, according to a study from the University of California, Davis, and Lawrence Berkeley ...

NASA helps warn of harmful algal blooms in lakes, reservoirs

Harmful algal blooms can cause big problems in coastal areas and lakes across the United States. When toxin-containing aquatic organisms multiply and form a bloom, it can sicken people and pets, contaminate drinking water, ...

Conservation goals compete at the expense of biodiversity

With an ever-growing list of threats facing biodiversity on multiple scales, conservationists struggle to determine which to address. A common reaction is to prioritize their efforts on threats to individual species or management ...

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