Forces that threaten sensitive coastlines

Wind-driven expansion of marsh ponds on the Mississippi River Delta is a significant factor in the loss of crucial land in the Delta region, according to new research. The study found that 17 percent of land loss in the area resulted from pond expansion, much of it caused by waves that eroded away the edges of the pond.

Dengue virus infection may cause severe outcomes following Zika virus infection during pregnancy

Prior Dengue virus infection may cause severe outcomes following Zika virus infection during pregnancy, a new study shows. The research points to a possible mechanism for the enhancement of Zika virus progression during pregnancy in an animal model.

Protecting tropical forest carbon stocks may not prevent large-scale species loss

As the world seeks to curb human-induced climate change, will protecting the carbon of tropical forests also ensure the survival of their species? A study suggests the answer to this question is far from straightforward. Forests with the greatest carbon content do not necessarily house the most species, meaning carbon-focused conservation can miss large swathes of tropical forest biodiversity.

How microbes produce key compound used to fight cancer

Researchers have untangled how bacteria found in soil are able to manufacture streptozotocin, showing for the first time that the compound is produced through an enzymatic pathway and revealing the novel chemistry that drives the process.

Melting ice makes the sea around Greenland less saline

For the first time, ocean data from Northeast Greenland reveals the long-term impact of the melting of the Greenland ice sheet. The observed increase in freshwater content will affect the conditions in all Greenland fjords and may ultimately affect the global ocean currents that keep Europe warm.

Research provides understanding about expansion and contraction of the tropical rain belt

New research looks at the monsoon rains that fell in northern Australia over the past 3,000 years. The scientists explored the rainfall amounts by looking at the isotopes of oxygen in stalagmites.

Innate immunity: To operate, insert dimers

The presence of DNA in mammalian cell cytoplasm triggers an immune response by binding to a dimeric enzyme, which inserts between DNA double helices to form the “rungs” of a ladder-like structure, as an LMU team has now shown.

To detect new odors, fruit fly brains improve on a well-known computer algorithm

It might seem like fruit flies would have nothing in common with computers, but new research reveals that the two identify novel information in similar ways. The work not only sheds light on an important neurobiological problem -- how organisms detect new odors -- but could also improve algorithms for novelty detection in computer science.

Marine incentives programs may replace ‘doom and gloom’ with hope

Incentives that are designed to enable smarter use of the ocean while also protecting marine ecosystems can and do work, and offer significant hope to help address the multiple environmental threats facing the world’s oceans, researchers conclude in a new analysis.

Better bacteria-busting techniques could make oil extraction greener, cheaper

Simple tweaks to oilfield practice could provide the offshore industry with a more sustainable, money-saving solution to health and safety, environmental and commercial threats posed by harmful bacteria in subsea oil deposits.

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Migrants stranded off Italy rescued after 19 days at sea

Italy's interior minister banned migrant rescue vessels from docking in Italy

Cardinal George Pell loses appeal against sexual abuse convictions

By a two-to-one majority, the judges upheld Pell's sex abuse convictions. He is serving a six-year sentence.

NASA scientists tracking Greenland’s melting ice

President Trump has expressed interest in purchasing Greenland. But there is something he should know -- the real estate is melting. Seth Doane reports from Greenland.