Even brown dwarfs may grow rocky planets

(Phys.org)—Astronomers using the Atacama Large Millimeter/submillimeter Array have for the first time found that the outer region of a dusty disc encircling a brown dwarf contains millimetre-sized solid grains like those ...

Ecology biased against non-native species?

The recent field of invasion biology faces a new challenge as 19 eminent ecologists issue a call to "end the bias against non-native species" in the journal Nature.

Rewriting the Organofluorine Playbook

(Phys.org) -- Sometimes it is easy to overgeneralize, to conclude that simply because a group of things are pretty much all the same, they're identical in all respects, even interchangeable. But such assumptions can cause ...

Older people are happier in Brazil and South Africa

Contrary to belief, older people in South Africa and Brazil become happier as they age. New research suggests that, with the right policies in place, a developing country can significantly improve the wellbeing of its older ...

Why the immigrants come

The image of the impoverished immigrant, whether depicted being jammed with others in the trunk of a car or ducking through the underbrush to reach the border, has become a cultural meme. The endless influx of immigrants ...

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