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Wednesday, August 16, 2017

Conservation decisions rely on balancing incentives with unpredictable variables

If you own land, as long as it’s not bound up in a legal restriction, you’ve got options. You might decide to convert it into farm land. You might develop it. You could decide to wait and see if the land increases in value. Or you could accept a temporary contract that sets it aside for conservation, or a more permanent one that binds you to never develop it. Environmental economists examined some of the aspects of this conundrum.

How evolution has equipped our hands with five fingers

Have you ever wondered why our hands have exactly five fingers? Scientists have uncovered a part of this mystery, and their remarkable discovery is outlined in a new report.

‘Great Pacific Garbage Patch’ worse than expected

The Ocean Cleanup, a foundation developing advanced technologies to rid the oceans of plastic, has just presented the initial findings of its Aerial Expedition -- a series of low-speed, low-altitude flights across the Great Pacific Garbage Patch, the plastic accumulation zone between Hawaii and California. Using a modified C-130 Hercules aircraft, expert spotters, and an experimental array of plastic scanning equipment, the expedition aims to accurately measure the biggest and most harmful debris in the ocean.

The amazing recovery of Yosemite’s yellow-legged frog

With 7,000 amphibian surveys conducted over 20 years, biologists detail the remarkable recovery of an endangered frog species in Yosemite.

Enormous Biodiversity in Amazonia: Unexpected biogeographical boundaries

New information necessitates revising the scenarios on how the enormous species richness in Amazonia has evolved and which factors define species distributions.

Eating your greens could enhance sport performance

Nitrate supplementation in conjunction with Sprint Interval Training in low oxygen conditions could enhance sport performance a study has found.

Scavenger cells repair muscle fibers

Everybody knows the burning sensation in the legs when climbing down a steep slope for a long time. It is caused by microruptures in the cell membrane of our muscle fibers. These holes in the cell envelopes must be closed as soon as possible as otherwise muscle cells will die off. Researchers were now able to observe this repair process using high-resolution real-time microscopy. It only takes a few seconds until proteins from the inside of the injured cell form a repair patch that finally closes the hole in the membrane. The researchers have now demonstrated that scavenger cells moving around within the muscle virtually perform nano-surgery to remove this repair patch later and restore the normal cell membrane structure.

Non-toxic solvent removes barrier to commercialization of perovskite solar cells

Scientists have developed a solvent system with reduced toxicity that can be used in the manufacture of perovskite solar cells, clearing one of the barriers to the commercialization of a technology that promises to revolutionize the solar industry.

Urban warming slows tree growth, photosynthesis

New research finds that urban warming reduces growth and photosynthesis in city trees. The researchers found that insect pests are part of the problem, but that heat itself plays a more significant role.

Environmental change drove diversity in Lake Malawi cichlids

Periods of deep, clear water in Lake Malawi over the past 800,000 years coincide with bursts of species diversification, researchers show in a new report.

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Trump stance on Charlottesville violence angers Republicans

Leading Republicans reject Mr Trump's view that "both sides" were to blame for Saturday's violence. Source: BBC

Birmingham bin strike called off

Acas said it had been agreed certain posts would be kept and bin collections could now resume. Source: BBC

¿A quién cita Barack Obama en el tuit con más “me gusta” en la...

El expresidente de Estados Unidos, Barack Obama, escribió tres mensajes el domingo para pronunciarse sobre los disturbios entre supremacistas blancos y opositores que ocurrieron en Charlottesville, Virginia, y que dejó un fallecido y al menos 19 heridos. El martes uno de sus tuits se convirtió en el más gustado en la historia de la red social. Fuente: bbcmundo.com