Earth News, Earth Science, Energy Technology, Environment News

November 09, 2015

Cracking the problem of river growth
Boston MA (SPX) Nov 09, 2015
A general mathematical theory that predicts how cracks spread through materials like glass and ice can also predict the direction in which rivers will grow, according to a new MIT study. In fracture mechanics, the theory of local symmetry predicts that, for example, a crack in a wall will grow in a direction in which the surrounding stress is symmetric around the crack's tip. Scientists at MIT have now applied this theory to the growth of river networks, finding that as a river fed by groundwater ... read more

Previous Issues

Nov 08

Nov 07

Nov 06

Nov 05

Nov 04

Ancient Pollen Reveals Droughts between Sierra Nevada Glacier Surges Hidden below the surface of California's Central Valley are pollen grains from the Pleistocene that are providing scientists with clues to the severity of droughts that struck the region between gla ... more		Local destabilization can cause complete loss of West Antarctica's ice masses The huge West Antarctic ice sheet would collapse completely if the comparatively small Amundsen Basin is destabilized, scientists of the Potsdam Institute for Climate Impact Research find. A full di ... more		Cow-calf grazing practices could mitigate greenhouse gas emissions Reducing greenhouse gas emissions in the Southern Great Plains could require a change of grazing management by traditional cow-calf producers, according to a study by Texas A and M AgriLife Research ... more
				Less ice, more water in Arctic Ocean by 2050s By the 2050s, parts of the Arctic Ocean once covered by sea ice much of the year will see at least 60 days a year of open water, according to a new modeling study led by researchers at the Universit ... more		Excitement Grows as NASA Carbon Sleuth Begins Year Two Scientists busy poring over more than a year of data from NASA's Orbiting Carbon Observatory-2 (OCO-2) mission are seeing patterns emerge as they seek answers to the science questions that drive the ... more

Solar systems for home and business installations

Panic, deaths as Yemen's Socotra hit by new cyclone Another cyclone made landfall in war-ravaged Yemen's Socotra island Sunday, causing panic as a minister posted an "urgent appeal" to save residents from the second tropical storm in a week. ... more		In divided Iraq, unique school brings children together Kurdish, Arab and Turkmen children sit in the same classrooms at a school where Islamic and Christian education textbooks are stacked on the same tables. ... more		Rise of the robots: the promise of physical AI Amazon robotics lead casts doubt on eye-catching humanoids 'Western tech dominance fading' at Lisbon's Web Summit		Researchers uncover the history of rice cultivation New research suggests rice was thrice domesticated. On three separate occasions, farmers in different parts of the world began cultivating wild rice strains chosen for their desired traits. ... more
				Philippine couple find love, hope among typhoon misery After losing her husband and six children to the fury of Typhoon Haiyan, Juvelyn Luana has found fresh hope among the misery and crushing poverty as she rebuilds her life with a new family. ... more		'I'm praying for you': MSF posts grim details from Afghan hospital strike Medical charity MSF Thursday released chilling details from a devastating US bombing of an Afghan hospital, saying staff and patients had been decapitated and lost their limbs with some gunned down from the air. ... more

Nuclear Operations and Maintenance Efficiency Summit USA 2015

Over 90,000 hit by Somalia floods: UN Over 90,000 people in war-torn southern Somalia have been hit by weeks of severe flooding, almost half of them forced from their homes, the United Nations has warned. ... more		Tanzanian police arrest four Chinese with 11 rhino horns Tanzanian police said Sunday they had arrested four Chinese men after finding 11 rhino horns hidden beneath their car in one of the largest seizures in the east Africa country. ... more		'The war of tomorrow will begin in space': Macron UN watchdog calls on Iran to urgently allow 'long overdue' uranium stockpile verification How drones are altering contemporary warfare		Painfully slow rebuild after Philippine super typhoon Two years after a super typhoon devastated the Philippines and sounded a global alarm on climate change, a massive rebuilding programme has had big successes but at least one million survivors are still without safe homes. ... more
Africa's Lake Chad could fuel new migrant crisis: UN A perfect storm of drought, poverty and armed conflict in Africa's Lake Chad basin could fuel Europe's migrant crisis if world leaders fall short at two crucial summits on migration and climate change this year, a UN official warned. ... more		Greenpeace says India operating licence cancelled Greenpeace said Friday Indian authorities have scrapped its licence to operate in the country, the latest in an ongoing battle between the environmental group and Prime Minister Narendra Modi's government. ... more		Ebola: The epidemic's timeline Key dates in the latest Ebola epidemic, the worst ever outbreak of the haemorrhagic fever which first surfaced in 1976 in what is now the Democratic Republic of Congo. ... more		Peru creates huge national park in Amazon basin Peru is creating a national park to protect a vast territory in the Amazon basin that is vulnerable to drug trafficking and illegal logging and mining, the country's environment minister said Saturday. ... more

	'Life on planet at stake', France warns as climate ministers meet France's top diplomat, who will preside over a year-end Paris summit tasked with inking a climate rescue pact, warned Sunday of looming planetary "catastrophe" if negotiations fail. ... more		China artist comes out... as French For someone who cites his "oriental identity" as a source of inspiration, China-based artist Tao Hongjing is remarkably white. ... more

China's Shenzhou-20 astronauts return to Earth after delay

Blue Origin launches NASA Mars mission and nails booster landing

Race for first private space station heats up as NASA set to retire ISS

Satellites shed light on Greenland Ice Sheet response to warming		US, China least concerned about climate change: poll		Mooving manure beyond drug-resistant bacteria		Supervolcanoes likely triggered externally, study finds		Environment and climate helped shape varied evolution of human languages
How plant cell compartments 'chat' with each other		Faster digestion in kangaroos reduces methane emissions		Early proto-porcelain from China likely made from local materials		The Greenland ice sheet contains nutrients from precipitation		Study of cloud cover in tropical Pacific reveals future climate changes

Newly discovered fossil sea urchin is the oldest of its kind

Colombia drought threatens one of world's top coffees

Los Angeles wants backyard cisterns to collect rain water

Ancient long-extinct amphibians discovered in Brazil

Nepal at risk of 'humanitarian crisis': US embassy

German diplomat to lead UN Libya talks, ex-envoy heads to UAE

Austria's largest state goes 100% renewable

Scientists unearth largest dinosuar ever found with wing feathers

Cyclone killed eight in southeastern Yemen: official

Indonesia shuts Bali airport for second day running

Predicting the human genome using evolution

Mummified seals reveal ecological impact of ice change

Extinct ape species resets the scale on humans' ancestors

Fossil bone growth reveals the ancestry of mammalian warm-bloodedness

Study predicts bedrock weathering based on topography

It's a Tyrannosaur-eat-Tyrannosaur world

Using Google Street View to assess the engineering impact of natural disasters

The key to drilling wells with staying power in the developing world

The most vulnerable countries miss out on climate change knowledge

Storage advance may boost solar thermal energy potential

Buy Advertising

Media Advertising Kit

Editorial & Other Enquiries

Privacy statement

The content herein, unless otherwise known to be public domain, are Copyright 1995-2014 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement All images and articles appearing on Space Media Network have been edited or digitally altered in some way. Any requests to remove copyright material will be acted upon in a timely and appropriate manner. Any attempt to extort money from Space Media Network will be ignored and reported to Australian Law Enforcement Agencies as a potential case of financial fraud involving the use of a telephonic carriage device or postal service.