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Thursday, October 19, 2017

Even modest oil exposure can harm coastal and marine birds

Many birds and other wildlife die following an oil spill, but there are also other potential long-terms effects of oil exposure on animals.

International team reconstructs nanoscale virus features from correlations of scattered X-rays

Key algorithms have been developed which helped scientists achieve a goal first proposed more than 40 years ago -- using angular correlations of X-ray snapshots from non-crystalline molecules to determine the 3-D structure of important biological objects.

Rainstorm generator assesses watershed rainfall under climate change simulations

The Colorado River tumbles through varied landscapes, draining watersheds from seven western states. This 1,450-mile-long system is a critical water supply for agriculture, industry and municipalities from Denver to Tijuana.

Deciphering biological meaning from an atlas of gene expression across 42 tissue types

The human genome encodes instructions for which genes are expressed in what cell type, along with other molecules that control how much and when these genes are expressed. Variation in the regulation of gene expression gives rise to the diverse tissue types, with diverse functions, in the human body. Finding new clues about the molecular origins of disease is the goal for a comprehensive atlas of variation in gene expression.

Bycatch responsible for decline of endangered New Zealand sea lion

Getting caught in fishing nets is a major cause of death for the increasingly endangered New Zealand sea lion, according to new research.

Gut fungi could play a role in obesity epidemic

A high-fat diet changes fungi in the gut and may play a role in the development of obesity, according to a new study. While gut microbes have previously been implicated in the development of obesity, this study shows that fungi may also play a role.

Tracking the viral parasites of giant viruses over time

In freshwater lakes, microbes regulate the flow of carbon and determine if the bodies of water serve as carbon sinks or carbon sources. Viruses exist amidst all bacteria, usually in a 10-fold excess and include virophages which live in giant viruses and use their machinery to replicate and spread. Researchers have effectively doubled the number of known virophages.

Storage is renewable energy’s greatest challenge — this low-cost sulfur battery may help

Motivated by the challenge to drastically reduce the cost of storing renewable energy on the grid while capturing more of it, a group of scientists has developed a battery powered by sulfur, air, water, and salt -- all readily available materials -- that is nearly 100 times less expensive to produce than batteries currently on the market and can store twice as much energy as a lead-acid battery. The inventors present their prototype in Joule.

How the cone snail’s deadly venom can help us build better medicines

By researching deadly cone snail venom, researchers hope to find solutions to tough medical problems and diseases.

Improving Lake Erie’s water quality

The conditions in Lake Erie continue to pose several health risks to Ohioans in coastal communities, making it difficult to maintain good water quality for citizens, state and local policymakers. Researchers in the Great Lakes region are now working toward innovative solutions.

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Brexit: May offers more assurances to EU nationals

Ahead of a key summit, Theresa May vows to make it as easy as possible for them to stay in the UK. Source: BBC

“Cada día me aseguraban que me iban a matar. Y me decían cómo”: el...

Maxim Lapunov dice que pasó 12 días en una celda, golpeado, amenazado y humillado por la policía. Este es el primer testimonio de víctimas de una persecución a hombres homosexuales que reportan grupos de activistas en la república del Cáucaso. Fuente: bbcmundo.com

Rohingya crisis: Refugees tell of ‘house by house’ killings

Refugees continue to pour into Bangladesh, adding to the world's fastest-growing humanitarian crisis. Source: BBC