Amazon deforestation is close to tipping point

By Newsroom America Staff at 3:01 pm Eastern

Deforestation of the Amazon is about to reach a threshold beyond which the region's tropical rainforest may undergo irreversible changes that transform the landscape into degraded savanna with sparse shrubby plant cover and low biodiversity.

Americans prefer economic inequality to playing Robin Hood, study finds

11:30 am Eastern | U.S. News

Voters in modern democracies, such as the United States and Germany, have long held the power to take from the rich, give to the poor and erase the huge economic inequalities that separate the vast majority of a nation's citizens from its super-wealthy elites. But given the chance to play Robin Hood, most people in these countries show little interest in making dramatic wealth more »

Cutting carbon emissions sooner could save 153 million lives

9:06 am Eastern | World

As many as 153 million premature deaths linked to air pollution could be avoided worldwide this century if governments speed up their timetable for reducing fossil fuel emissions, a new Duke University-led study more »

Poll: Social media makes it both easier and more challenging to parent tweens

19 Mar 17:07 | U.S. News

As children hit the "tween" stage between early elementary grades and the teenage years, parents may struggle balancing the need for independence with appropriate supervision, a new national poll more »

Adults' political leanings linked with early personality traits

19 Mar 15:35 | World

Our political attitudes in adulthood have roots in early childhood temperament, according to new findings. Analyses of data from more than 16,000 participants in two longitudinal studies in the United Kingdom reveal links between conduct problems at ages 5 and 7 and economic and political discontent 25 years more »

Assaults spiked on Trump rally days during 2016 election

19 Mar 11:32 | U.S. News

Cities experienced 2.3 more assaults than average on days when hosting presidential campaign rallies for Donald Trump during the lead-up to the 2016 United States Presidential Election, according to a first of its kind study by researchers in the Perelman School of Medicine at the University of Pennsylvania. read more »

Volcanic eruption influenced Iceland's conversion to Christianity

19 Mar 09:29 | World

emories of the largest lava flood in the history of Iceland, recorded in an apocalyptic medieval poem, were used to drive the island's conversion to Christianity, new research more »

Scientists discover evidence of early human innovation, pushing back evolutionary timeline

16 Mar 16:05 | World

Anthropologists at the Smithsonian's National Museum of Natural History and an international team of collaborators have discovered that early humans in East Africa had--by about 320,000 years ago--begun trading with distant groups, using color pigments and manufacturing more sophisticated tools than those of the Early Stone Age. read more »

Researchers find space radiation is increasingly more hazardous

16 Mar 11:02 | U.S. News

It might sound like something from a science fiction plot - astronauts traveling into deep space being bombarded by cosmic rays - but radiation exposure is science fact. read more »

Half a degree more global warming could flood out 5 million more people

16 Mar 09:13 | World

The 2015 Paris climate agreement sought to stabilize global temperatures by limiting warming to well below 2.0 degrees Celsius above pre-industrial levels and to pursue limiting warming even further, to 1.5 more »

Blunt products more popular in states where marijuana is legal

15 Mar 17:26 | U.S. News

A study by researchers at Columbia University's Mailman School of Public Health finds that cigars commonly used to roll blunts--hollowed out cigars that are filled with marijuana and smoked--dominate the cigar marketplace in states where recreational marijuana is legal compared to more »

Eastern Mediterranean summer will be two months longer by end of 21st century

15 Mar 15:24 | World

The eastern Mediterranean -- an area that covers Israel, Egypt, Jordan, Syria, Lebanon and southern Turkey -- is experiencing monumental climate changes poised to significantly affect regional ecosystems and human more »

Candidate voice pitch influences voters, but does not lead to better leaders

15 Mar 11:12 | U.S. News

Voters may prefer voting for candidates with lower sounding voices but they are not necessarily better leaders, a paper recently published by University of Miami Professor Casey Klofstad and Professor Rindy Anderson from Florida Atlantic University has more »

Global warming increases the risk of avalanches

15 Mar 09:21 | World

The impacts of global warming are felt especially in mountainous regions, where the rise in temperatures is above average, affecting both glacierized landscapes and water resources. read more »

Study debunks fears of increased teen suicide risk from popular flu drug

14 Mar 17:20 | U.S. News

A new study published by researchers from the University of Illinois at Chicago suggests that the drug oseltamivir -- commonly known as Tamiflu -- does not cause an increased risk of suicide in pediatric more »

Study finds smokers at greater risk of hearing loss

14 Mar 15:19 | World

Smoking is associated with increased risk of hearing loss, according to a study of over 50,000 participants over 8 more »

Warm Arctic means colder, snowier winters in northeastern US, study says

14 Mar 10:14 | U.S. News

Scientists from Rutgers University-New Brunswick and Atmospheric and Environmental Research (AER) have linked the frequency of extreme winter weather in the United States to Arctic more »

World's largest cities depend on evaporated water from surrounding lands

14 Mar 08:11 | World

Urbanization has taken billions of people from the rural countryside to urban centers, adding pressure to existing water resources. Many cities rely on renewable freshwater regularly refilled by precipitation, rather than groundwater or desalinated more »

Off-the-shelf smart devices found easy to hack

13 Mar 18:06 | U.S. News

Off-the-shelf devices that include baby monitors, home security cameras, doorbells, and thermostats were easily co-opted by cyber researchers at Ben-Gurion University of the Negev (BGU).read more »

Golf's Modernized Rules Released

13 Mar 16:13 | World

The USGA and The R&A have unveiled the new Rules of Golf, to be implemented January 1, more »

Toilet-to-tap: Gross to think about, but how does it taste?

13 Mar 11:40 | U.S. News

Researchers at the University of California, Riverside, recently published a study of recycled wastewater that did not focus on its safety-which has long been established-but rather its more »

15 New Planets Confirmed Around Cool Dwarf Stars

13 Mar 09:18 | World

Scientists report the existence of 15 new planets — including one 'super-Earth' that could harbor liquid water — orbiting small, cool stars near our solar system. These stars, known as red dwarfs1, are of enormous interest for studies of planetary formation and more »

Would you pay for an Ebola vaccine? Most say yes

12 Mar 19:28 | U.S. News

The 2014-2016 West African Ebola outbreak was the deadliest in history, infecting more than 28,000 people and killing more than 11,000. While the number of people infected in the United States was low, it was covered extensively in the media, leading to widespread more »

Gun laws stopped mass shootings in Australia: New research

12 Mar 19:24 | World

The odds of a 22-year absence of mass shootings in Australia since 1996 gun reforms being due to chance are one in 200,000, new research more »

Two behaviors linked to high school dropout rates

12 Mar 19:22 | U.S. News

While the national high school dropout rate has declined, many school systems still struggle with a high number of students who do not finish high more »

Mexico's 2017 earthquake emerged from a growing risk zone

12 Mar 19:18 | World

Under Mexico, where the Cocos Plate from the Pacific Ocean slides under the North American Plate, a bending line of hills, created when the seafloor first formed, sits atop a flattened area of subduction. That newly recognized combination has created a fault that likely explains last September's Puebla earthquake, scientists more »

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