A tool to measure stress hormone in birds -- feathers

When faced with environmental threats like bad weather, predators or oil spills, wild birds secrete a hormone called corticosterone. Traditionally, researchers have analyzed blood samples to detect corticosterone levels in ...

Japan launches satellite to study black holes

Japan successfully launched a jointly developed space observation satellite on Wednesday tasked with studying mysterious black holes, the country's space agency said.

'Manageable' oil slick reaches Sri Lanka capital

An oil slick from a rusting cargo vessel that sank in bad weather reached the coast of Sri Lanka's capital on Saturday and threatened a beach resort popular with foreign tourists, officials said.

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