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Gulls pay attention to human eyes

Herring gulls notice where approaching humans are looking, and flee sooner when they're being watched, a new study shows.

Not to scale? Maya civilizations show strange correlation

Researchers who study urban areas have long observed a connection between size and proximity—namely, that cities become more dense as they gain in population. The more people live in a place, the closer together they live ...

Decoding the secret language of photosynthesis

For decades, scientists have been stumped by the signals plants send themselves to initiate photosynthesis, the process of turning sunlight into sugars. UC Riverside researchers have now decoded those previously opaque signals.

Uganda offers lessons in tapping the power of solid waste

In places where municipalities continuously fail to collect and manage waste, authorities tend to concentrate their efforts in a few areas. These are often in a city's wealthier sections. Informal settlements remain under-served ...

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