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Preview: PhysOrg.com - latest science and technology news stories

Phys.org - latest science and technology news stories



Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.



 



Recovery of West Coast marine mammals boosts consumption of chinook salmon

Mon, 20 Nov 2017 05:00:03 EST

Recovering populations of killer whales, sea lions and harbor seals on the West Coast have dramatically increased their consumption of chinook salmon in the last 40 years, which may now exceed the combined harvest by commercial and recreational fisheries, a new study finds.



'Robo-taxis' hold promise, and perils, for automakers

Mon, 20 Nov 2017 03:32:34 EST

It's November 22, 2028 and Sarah, a young mother, gives her two children a kiss goodbye before buckling them into the driverless car that will bring them to school.



Singapore rolls out tough measures to keep cars off the roads

Mon, 20 Nov 2017 03:31:18 EST

In the battle against the car, space-starved Singapore has deployed road tolls, massive spending on public transport, and a licence fee that bumps the cost of an average vehicle to over $80,000.



10 African Americans named Rhodes scholars, most ever

Mon, 20 Nov 2017 03:30:42 EST

The latest group of U.S. Rhodes scholars includes 10 African Americans—the most ever in a single Rhodes class—as well as a transgender man and four students from colleges that had never had received the honor before.



Poultry excrement could partially replace coal as a renewable energy source, study says

Mon, 20 Nov 2017 03:20:53 EST

While turkeys at Thanksgiving are an age-old custom, a new study shows that turkey excrement may have a future as a fuel for heat and electricity.



Homes should not be abandoned after a big nuclear accident

Mon, 20 Nov 2017 03:19:30 EST

New research suggests that few people, if any, should be asked to leave their homes after a big nuclear accident, which is what happened in March 2011 following the Fukushima Daiichi nuclear disaster.



Fotis Kafatos, distinguished Greek biologist, dies at 77

Sun, 19 Nov 2017 05:28:17 EST

Fotis Kafatos, a Greek molecular biologist who had a distinguished academic career in both the United States and Europe and became the founding president of the European Research Council, has died. He was 77.



Museum seeks to convince Indians that toilets are not dirty

Sun, 19 Nov 2017 05:27:03 EST

A throne with a built-in commode for a French monarch takes pride of place at a New Delhi museum trying to break taboos surrounding toilets in a country where such convenience remains a sensitive issue.



UK budget aims for driverless cars by 2021 (Update)

Sun, 19 Nov 2017 05:26:36 EST

British finance minister Philip Hammond is to announce £75 million ($99 million, 84 million euros) funding for Artificial Intelligence and plans to put driverless cars on UK roads by 2021, in his budget speech on Wednesday.



Swimming with dolphins in virtual reality to aid disabled

Sun, 19 Nov 2017 05:26:19 EST

Swimming with wild dolphins is something most can only dream of, and jumping into pools with captive animals has become increasingly controversial with environmentalists condemning it as cruel.



100 full moons: Blazing fireball lights up Arctic sky

Sat, 18 Nov 2017 12:52:35 EST

A blazing fireball lit up the dark skies of Arctic Finland for five seconds, giving off what scientists said was "the glow of 100 full moons" and igniting hurried attempts to find the reported meteorite.



Germany bans children's smart watches with listening app

Sat, 18 Nov 2017 12:52:18 EST

German regulators have banned certain types of smartwatches marketed to children, saying the devices have been used to listen in on school classrooms and run afoul of Germany's surveillance restrictions.



NASA launches next-generation weather satellite

Sat, 18 Nov 2017 12:49:08 EST

NASA on Saturday launched a next-generation satellite into space designed to monitor weather around the world and help improve forecasts.



Keeping it real: UN climate talks struggle to stay relevant

Sat, 18 Nov 2017 04:31:42 EST

There was a telling moment at the 23rd edition of UN climate talks that underscored both the life-and-death stakes in the fight against global warming, and how hard it is for this belaboured forum to rise to the challenge.



20 years of changing seasons on Earth packed into two and half minutes

Fri, 17 Nov 2017 18:15:58 EST

NASA captured 20 years of changing seasons in a striking new global map of the home planet.



These ring-tailed lemurs raise a 'stink' when they flirt with potential mates

Fri, 17 Nov 2017 18:07:10 EST

A U of T Scarborough study finds that a unique ritual performed by male ring-tailed lemurs may come at a significant physical cost, but it could help their chances in securing a mate.



Mathematician's study of 'swarmalators' could direct future science

Fri, 17 Nov 2017 18:05:52 EST

How does the Japanese tree frog figure into the latest work of noted mathematician Steven Strogatz? As it turns out, quite prominently.



When to fish: Timing matters for fish that migrate to reproduce

Fri, 17 Nov 2017 18:01:05 EST

It's no secret that human activities affect fish, particularly those that must migrate to reproduce. Years of building dams and polluting rivers in some regions have left fish such as salmon struggling to return to their home streams and give birth to the next generation.



Heavy nitrogen molecules reveal planetary-scale tug-of-war

Fri, 17 Nov 2017 17:59:36 EST

Nature whispers its stories in a faint molecular language, and Rice University scientist Laurence Yeung and colleagues can finally tell one of those stories this week, thanks to a one-of-a-kind instrument that allowed them to hear what the atmosphere is saying with rare nitrogen molecules.



Breakthrough could launch organic electronics beyond cell phone screens

Fri, 17 Nov 2017 17:54:46 EST

A discovery by an international team of researchers from Princeton University, the Georgia Institute of Technology and Humboldt University in Berlin points the way to more widespread use of an advanced technology generally known as organic electronics.



Apple pushes back release of HomePod speaker to 2018

Fri, 17 Nov 2017 17:52:16 EST

Apple said Friday it was delaying until early next year the release of its HomePod speaker set to compete with Amazon's Alexa-powered devices and Google Home as a smart home and music hub.



Mapping 'damage trails' lets researchers follow the water in Photosystem II

Fri, 17 Nov 2017 14:00:03 EST

Researchers at Washington University in St. Louis have traced the paths of three water channels in an ancient photosynthetic organism to provide the first comprehensive, experimental study of how that organism uses and regulates water to create energy.



Game review: 'Need For Speed: Payback,' wrong way

Fri, 17 Nov 2017 13:50:01 EST

Racing simulators are thriving within the genre these days, but arcade racers offer a brief respite from the tighter sim experiences and will always have a home with casual gamers. "Need For Speed" is a long-running series that has taken on many forms throughout its history, with its latest entry adopting the high-octane drama you'd find in summer blockbusters. "Does Need For Speed: Payback" get the checkered flag? Nope. It sure does have some fun ideas, though.



Apple's smart speaker HomePod may get Face ID: report

Fri, 17 Nov 2017 12:50:01 EST

Apple's new Face ID technology may be coming to a living room near you.



Tesla's all-electric semi truck aims to disrupt transport

Fri, 17 Nov 2017 12:47:14 EST

After shaking up the auto world with its electric cars, Tesla is tackling a new frontier in "green" transportation with the unveiling of a futuristic all-electric semi truck.



Experts: Idaho hatchery built to save salmon is killing them

Fri, 17 Nov 2017 12:46:56 EST

A relatively new $13.5 million hatchery intended to save Snake River sockeye salmon from extinction is instead killing thousands of fish before they ever get to the ocean, and fisheries biologists in Idaho think they know why.



Research shows drones could help crop management take off

Fri, 17 Nov 2017 12:45:49 EST

Unmanned aerial systems (UAS), commonly referred to as drones, could help farmers determine if their crop is growing satisfactorily, according to a recent study conducted by University of Tennessee Institute of Agriculture researchers.



Scientific advances can make it easier to recycle plastics

Fri, 17 Nov 2017 12:45:06 EST

Most of the 150 million tons of plastics produced around the world every year end up in landfills, the oceans and elsewhere. Less than 9 percent of plastics are recycled in the United States, rising to about 30 percent in Europe.



New computational method provides optimized design of wind up toys

Fri, 17 Nov 2017 12:42:56 EST

A team of leading computer scientists has developed a novel computational system to aid the design and fabrication of wind-up toys, focusing on automating the intricate interior machinery responsible for the toys' wind-up motion. The new computational system includes analytic modeling of a wide variety of elemental mechanisms found in common wide-up toys, including their geometry and kinematics, and automating the construction of the toys accurately and with moving parts that consume less energy.



eDNA tool detects invasive clams before they become a nuisance

Fri, 17 Nov 2017 12:39:19 EST

When seeking a cure for a disease, early detection is often the key. The same is true for eliminating invasive species. Identifying their presence in a lake before they are abundant is vital. A recent University of Illinois study successfully used environmental DNA to detect invasive clams in California and Nevada lakes. Researchers believe this tool can help identify pests before they become a problem.