ScienceDaily: Nature News

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• 'Gold rush' threatens tropical forests in South America
• Three new Begonia plant species from Brazil
• Sustainable approach for the world's fish supply
• Rise in mass die-offs seen among birds, fish and marine invertebrates
• Sex and the single evening primrose

'Gold rush' threatens tropical forests in South America Posted: 13 Jan 2015 05:43 PM PST A global 'gold rush' has led to a significant increase of deforestation in the tropical forests of South America.

Three new Begonia plant species from Brazil Posted: 13 Jan 2015 08:16 AM PST Scientists discover and describe three new species of the plant genus Begonia, which holds many of the world-favorite decoratives. The news species come from Brazil, where they are found dwelling on small, confined territories which makes them rare and hard to discover.

Sustainable approach for the world's fish supply Posted: 13 Jan 2015 06:04 AM PST China's booming aquaculture industry is increasingly dependent on fishmeal made from wild-caught fish, a practice that depletes wild fish stocks. A new study offers a more sustainable path by proposing recycling the waste by-products from seafood processing plants as feed for farm-raised fish..

Rise in mass die-offs seen among birds, fish and marine invertebrates Posted: 12 Jan 2015 03:13 PM PST An analysis of 727 studies reveals that there have been more instances of rapid, catastrophic animal die-offs over the past 75 years. These mass kills appear to have hit birds, fish and marine invertebrates harder than other species.

Sex and the single evening primrose Posted: 12 Jan 2015 12:50 PM PST Sex or no sex? Using various species of the evening primrose as their model, researchers have demonstrated strong support for a theory that biologists have long promoted: Species that reproduce sexually, rather than asexually, are healthier over time, because they don't accumulate harmful mutations.

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