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4.7 billion birds leave U.S. to winter in the tropics each fall![]() Washington (UPI) Sep 17, 2018 Scientists at Cornell University used a combination of cloud computing and radar stations to tally the number of birds that leave and return to the United States each year during fall and spring migrations. Researchers also traced the movement of birds that winter inside the U.S. From 2013 to 2017, an average of 4 billion birds moved south from Canada into the U.S. each fall, while another 4.7 billion birds crossed the southern border, headed for the tropics. In the spring, 3.5 billion birds fl ... read more |
Aging may be as old as life itselfLos Angeles CA (SPX) Sep 18, 2018 A new USC Dornsife study indicates that aging may have originated at the very beginning of the evolution of life, at the same time as the evolution of the first genes. "This could be a game ch ... more
Gut microbes' role in mammals' evolution starts to become clearerCorvallis OR (SPX) Sep 18, 2018 An international collaboration led by Oregon State University scientists has made a key advance toward understanding which of the trillions of gut microbes may play important roles in how humans and ... more
The world needs death and decompositionEast Lansing MI (SPX) Sep 18, 2018 What if roadkill piled beside the road and never decomposed? What if massive fish kills washed up on beaches and remained for eternity? First off, it would be disgusting. Second, the Earth mig ... more
Famous theory of the living Earth upgraded to Gaia 2.0Exeter UK (SPX) Sep 18, 2018 A time-honoured theory into why conditions on Earth have remained stable enough for life to evolve over billions of years has been given a new, innovative twist. For around half a century, the ... more |
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| Previous Issues | Sep 18 | Sep 17 | Sep 14 | Sep 13 | Sep 12 |
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Philippines typhoon toll hits 81, expected to riseManila (AFP) Sept 19, 2018 The death toll in the Philippines from Typhoon Mangkhut has climbed to 81 and could hit triple digits as searchers dig through a landslide where dozens are presumed dead, authorities said Wednesday. ... more
Copernicus Sentinel maps Florence hurricane floodParis (ESA) Sep 17, 2018 Making landfall in the US state of North Carolina on 14 September, Hurricane Florence is causing widespread damage and flooding. The Copernicus Sentinel-1 radar mission is being used to map affected ... more
Where have all the turtles gone, and why does it matter?Athens GA (SPX) Sep 18, 2018 About 61 percent of the world's 356 turtle species are threatened or already extinct, and the decline could have ecological consequences. These findings are according to a new paper in Bioscience sy ... more
ICESat-2 to measure movement, thickness of polar sea iceWashington (UPI) Sep 14, 2018 For climate scientists, the poles are ground zero. Around the North and South poles, climate change is happening faster and more dramatically. ... more
People are less likely to trust someone with a foreign accentWashington (UPI) Sep 18, 2018 People are less likely to trust the advice or directions of a person with a foreign accent. ... more |
![]() Why songbirds can overeat and not get fat
Air pollution linked to higher risk of dementia: studyParis (AFP) Sept 19, 2018 Urban air pollution, mostly from vehicles, is associated with an increased risk of dementia, according to research published Wednesday. ... more |
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Buried pine trees offer clues on ancient climate change in the MediterraneanWashington (UPI) Sep 18, 2018 Scientists have discovered evidence of ancient climate change beneath the base of Mont Saint Genis in Southern France. A buried pine forest has provided scientists insights into a sudden and extreme cold snap 12,900 years ago. ... more
Swiss NGO links pesticide to Indian farmer deathsGeneva (AFP) Sept 18, 2018 The Swiss NGO Public Eye called Tuesday for an export ban on the pesticide Polo, produced by agriculture giant Syngenta, implicating it in the death of 20 Indian farmers last year. ... more
Insects, plants living in agricultural regions are surprisingly resilientWashington (UPI) Sep 18, 2018 Plants and pollinators that have survived the impacts of agriculture intensification are more likely to survive future environmental changes, new research suggests. ... more
Can you evolve while being robust?Vienna, Austria (SPX) Sep 18, 2018 It is often thought that DNA, together with the genes encoded in it, is the essence of life. But equally important is coordinating when genes are turned on and off. In fact, it is this process, call ... more
Wild animals were routinely captured and traded in ancient MesoamericaWashington DC (SPX) Sep 18, 2018 New evidence from the Maya city of Copan, in Honduras, reveals that ancient Mesoamericans routinely captured and traded wild animals for symbolic and ritual purposes, according to a study published ... more |
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Amazon's Jeff Bezos unveils $2 bn philanthropic fund Washington (AFP) Sept 14, 2018 Amazon founder Jeff Bezos, the richest person on the planet, announced Thursday he was creating a philanthropic fund to help homeless families and launch preschools in low-income communities, committing an initial $2 billion.
Bezos made the announcement on Twitter a year after asking for ideas on how he could use his personal fortune - now estimated at more than $160 billion - for charitab ... more |
UTA researcher creates hydrogels capable of complex movement Arlington TX (SPX) Sep 19, 2018
Living organisms expand and contract soft tissues to achieve complex, 3-D movements and functions, but replicating those movements with man-made materials has proven challenging.
A University of Texas at Arlington researcher recently published groundbreaking research in Nature Communications that shows promise in finding a solution.
Kyungsuk Yum, an assistant professor in UTA's Mater ... more |
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Researchers use eDNA to detect great white sharks Washington (UPI) Sep 14, 2018
Scientists can now detect the presence of white sharks using environmental DNA, or eDNA. Environmental DNA describes DNA strands found in the environment, not collected directly from a species' body.
Increasingly, researchers are turning to genetic markers to identify the presence of species in the environment, but until now, scientists struggled to isolate an eDNA signature for white s ... more |
China launches first home-made polar icebreaker Xuelong 2 Beijing (Sputnik) Sep 17, 2018
China's first domestically built polar icebreaker, Xuelong 2, was launched by officials at the Jiangnan shipyard in Shanghai on Monday, highlighting the country's continued efforts to boost polar research and improve expedition capabilities.
Xuelong 2, also known as Snow Dragon 2, has an operational range of roughly 20,000 nautical miles and is able to break through ice up to 1.5 meters th ... more |
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High-yield farming costs the environment less than previously thought Cambridge UK (SPX) Sep 17, 2018
Agriculture that appears to be more eco-friendly but uses more land may actually have greater environmental costs per unit of food than "high-yield" farming that uses less land, a new study has found.
There is mounting evidence that the best way to meet rising food demand while conserving biodiversity is to wring as much food as sustainably possible from the land we do farm, so that more n ... more |
100 die in severe flooding in Nigeria: relief agency Lokoja, Nigeria (AFP) Sept 18, 2018
Nigeria has declared a national disaster after severe flooding left about 100 people dead across 10 states, the country's main relief agency said on Tuesday.
Heavy seasonal rains have caused the Niger and Benue rivers to burst their banks, inundating communities, farms and trapping tens of thousands of people in their homes.
Sani Datti, from the National Emergency Management Agency (NEMA ... more |
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Nigeria troops repel fresh Boko Haram base attack Kano, Nigeria (AFP) Sept 13, 2018
Soldiers have thwarted another Boko Haram attack on an army base in northeast Nigeria, the latest in a series of offensives against military targets in the remote region.
Scores of fighters attacked the base in Damasak, in the far north of Borno state, on Wednesday evening, firing heavy artillery in an apparent bid to overrun it.
Hours of fighting ensued but the attack was repelled with ... more |
Blombos Cave drawing predates previous human-made drawings by at least 30,000 years Johannesburg, South Africa (SPX) Sep 17, 2018
The earliest evidence of a drawing made by humans has been found in Blombos Cave in the southern Cape in South Africa. The drawing, which consists of three red lines cross-hatched with six separate lines, was intentionally drawn on a smooth silcrete flake about 73 000 years ago. This predates previous drawing from Africa, Europe and Southeast Asia by at least 30 000 years.
The drawing on t ... more |
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Optimism trumps despair at climate summit San Francisco (AFP) Sept 14, 2018
Mayors, governors, entrepreneurs, CEOs, investors and celebrities delivered a double-edged message Friday at the close of a climate summit in San Francisco: global warming is making the planet unliveable - but we know how to fix it.
"We are using the sky as an open sewer, it's insane," former US vice president Al Gore told the conference, noting that humanity belches 110 million tons of hea ... more |
Protection for the ozone layer: sugar molecules bind harmful CFCs Mainz, Germany (SPX) Sep 13, 2018
Researchers at Johannes Gutenberg University Mainz (JGU) and Aschaffenburg University of Applied Sciences have managed to make a breakthrough when it comes to dealing with the extremely ozone-depleting chlorofluorocarbon Freon 11. Their findings could make a major contribution to protecting the endangered ozone layer.
Freon 11 is a chlorofluorocarbon (CFC). These substances were previously ... more |
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The walking dead: Fossils on the move can distort patterns of mass extinctions Gainesville FL (SPX) Sep 18, 2018
Using the fossil record to accurately estimate the timing and pace of past mass extinctions is no easy task, and a new study highlights how fossil evidence can produce a misleading picture if not interpreted with care.
Florida Museum of Natural History researchers used a series of 130-foot cores drilled from the Po Plain in northeastern Italy to test a thought experiment: Imagine catastrop ... more |
Electricity crisis leaves Iraqis gasping for cool air Baghdad (AFP) Aug 1, 2018
As the stultifying summer heat sends Iraqis in search of cool spots, restaurateur Ali Hussein provides sanctuary - even though it means hooking up to an expensive generator.
"The clients must be comfortable when they eat," said Hussein, who stakes his reputation on ensuring customers are constantly blasted by air conditioning.
Outside, temperatures at this time of year can reach 50 degr ... more |
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New high-capacity sodium-ion could replace lithium in rechargeable batteries Birmingham UK (SPX) Sep 13, 2018
University of Birmingham scientists are paving the way to swap the lithium in lithium-ion batteries with sodium, according to research published in the Journal of the American Chemical Society.
Lithium-ion batteries (LIB) are rechargeable and are widely used in laptops, mobile phones and in hybrid and fully electric vehicles. The electric vehicle is a crucial technology for fighting pollut ... more |
Where have all the turtles gone, and why does it matter? Athens GA (SPX) Sep 18, 2018
About 61 percent of the world's 356 turtle species are threatened or already extinct, and the decline could have ecological consequences. These findings are according to a new paper in Bioscience synthesizing the global status of turtles and their ecological roles by scientists from the U.S. Geological Survey, Tennessee Aquarium Conservation Institute, University of California, Davis, and the Un ... more |
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Prominent Chinese pastor defiant after church closure Beijing (AFP) Sept 13, 2018 A Chinese Protestant pastor is vowing to keep preaching to his flock despite the closure of his prominent underground church in Beijing, defying the government's intensifying pressure on religious groups.
Pastor Jin Mingri had given sermons at the Zion Church, one of the biggest unofficial congregations in the country, for the past decade until local officials shut it down on Sunday.
Its ... more |
Indigenous peoples, key to saving forests, catch a break San Francisco (AFP) Sept 14, 2018
Proven masters at sustainably managing forests that protect against global warming, indigenous peoples got a place at the table, and some cash, at an international climate summit in San Francisco this week.
New "guiding principles" for collaboration endorsed by three dozen mostly tropical provinces and states across nine countries bolster indigenous rights to land, self-governance and financ ... more |
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