New research explores scent communication in polar bears

New research indicates that scent associated with polar bear paws conveys information that may affect the animals' social and reproductive behavior. This chemical form of communication was likely shaped by the environmental ...

Evolution shapes new rules for ant behavior

In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.

Puma tracking reveals impact of habitat fragmentation

(Phys.org) —In the first published results of more than three years of tracking mountain lions in the Santa Cruz Mountains, UC Santa Cruz researchers document how human development affects the predators' habits.

Diatom sex pheromone isolated and characterized

(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that pheromones play ...

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