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Friday, October 19, 2018

Growth of East Antarctic Ice Sheet was less than previously suggested

Scientists have known for over a decade that the West Antarctic Ice Sheet has been losing mass and contributing to sea level rise.

Discovery of sophisticated 115,000-year-old bone tools in China

An analysis of 115,000-year-old bone tools discovered in China suggests that the toolmaking techniques mastered by prehistoric humans there were more sophisticated than previously thought.

New method makes weather forecasts right as rain

Meteorologists have known for some time that rainfall forecasts have flaws, as failure to take into account factors such as evaporation can affect their accuracy. Now, researchers have developed a system that improves the precision of forecasts by accounting for evaporation in rainfall estimates, particularly for locations 30 miles or more from the nearest National Weather Service radar.

Exposure to larger air particles linked to increased risk of asthma in children

Researchers report statistical evidence that children exposed to airborne coarse particulate matter — a mix of dust, sand and non-exhaust tailpipe emissions, such as tire rubber — are more likely to develop asthma and need emergency room or hospital treatment for it than unexposed children.

Age of first chief’s ancient tomb reveals Pacific Islanders invented new kind of society

New uranium series analysis of chief's tomb suggests island's monumental structures are earliest evidence of a chiefdom in the Pacific -- yielding new keys to how societies emerge and evolve.

What’s the largest terrestrial organism?

The giant sequoia? Nope. The African elephant? Not even close. The Soil Science Society of America (SSSA) December 1 Soils Matter blog post shares that the largest land organism is ... a fungus!

A diet rich in nuts improves sperm count and motility

The inclusion of nuts in a regular diet significantly improves the quality and function of human sperm, according to results of a randomized trial which measured conventional semen parameters and molecular changes over a 14-week study period. The findings, say the investigators, 'support a beneficial role for chronic nut consumption in sperm quality' and reflect a research need for further male-specific dietary recommendations.

Laser technology takes Maya archeologists where they’ve never gone before

With the help of airborne laser mapping technology, a team of archeologists is exploring on a larger scale than ever before the history and spread of settlement at the ancient Maya site of Ceibal in Guatemala.

Degrading plastics revealed as source of greenhouse gases

Researchers have found that several greenhouse gases are emitted as common plastics degrade in the environment. Their study reports the unexpected discovery of the universal production of greenhouse gases methane and ethylene by the most common plastics when exposed to sunlight.

Statement, Blog, from EPA Administrator Gina McCarthy on Historic Kigali Agreement

Statement from EPA Administrator Gina McCarthy on Historic Kigali Agreement  Source: https://www.epa.gov/

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With no proof, Trump accuses Democrats of supporting migrant caravan

At a rally in Missoula, Montana, the president accused Democrats – without evidence – of supporting a caravan of about 3,000 migrants heading for the U.S. border. The president threatens to mobilize the U.S. military and shut down the southern border to stop those migrants from entering the U.S. Chip Reid reports.

If Turkey has proof Khashoggi was killed, it’s apparently not sharing

Hours after Mike Pompeo refutes claim he's heard audio of Jamal Khashoggi's alleged murdered, Turkey backs him up, but keeps its secret

Turkey says it hasn’t shared any audio of alleged Khashoggi murder

Turkey's top diplomat confirms his government has not given the U.S. any recordings of the alleged murder of Saudi journalist Jamal Khashoggi. Secretary of State Mike Pompeo had already denied hearing tapes or seeing transcripts. President Trump moved closer to acknowledging the Saudis may have played a role. Weijia Jiang reports.