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Gifted Colombia kids pay tribute to hero Hawking

Sat, 17 Mar 2018 05:19:11 EDT

Gifted children at the Stephen Hawking school in Colombia's capital Bogota have been paying a special tribute to the astrophysicist whose life inspired them to study science.

No small feat: Santa Barbara Zoo giraffe births 6-foot baby

Sat, 17 Mar 2018 05:16:55 EDT

Now that's a big baby!

India's Silicon Valley faces man-made water crisis

Sat, 17 Mar 2018 05:15:11 EDT

Every day more than 1,000 water tankers rumble past Nagraj's small plywood store in Bangalore, throwing up clouds of dust as they rush their valuable cargo to homes and offices in India's drought-stricken tech hub.

Qualcomm says former chairman exploring buyout effort

Sat, 17 Mar 2018 05:12:48 EDT

Qualcomm said Friday that Paul Jacbos, its chairman until a week ago, was considering a buyout effort for the California chipmaking giant just days after it fended off a hostile bid from Singapore rival Broadcom.

World water problems on tap at Brazil conference

Sat, 17 Mar 2018 05:12:22 EDT

Brazil—the country with the world's greatest fresh water reserves—hosts an international conference next week on growing fears over the fragility of drinking water supplies in a heating planet.

Australia warns on encrypted apps as Southeast Asia vows terror cooperation

Sat, 17 Mar 2018 05:11:18 EDT

Use of encrypted messaging apps to plan terrorist attacks is the greatest threat facing intelligence agencies in modern times, Australia warned Saturday as Southeast Asian leaders vowed closer cooperation to counter extremism.

Appeals court nixes some FCC rules on robocalls

Fri, 16 Mar 2018 17:52:08 EDT

A federal appeals court rolled back rules intended to deter irritating telemarketing robocalls, saying they were too broad.

Drake breaks new streaming record—in video games

Fri, 16 Mar 2018 17:41:17 EDT

Hip-hop superstar Drake has broken a new record in streaming—this time in video games.

1 in 3 Michigan workers tested opened fake 'phishing' email

Fri, 16 Mar 2018 17:40:36 EDT

Michigan auditors who conducted a fake "phishing" attack on 5,000 randomly selected state employees said Friday that nearly one-third opened the email, a quarter clicked on the link and almost one-fifth entered their user ID and password.

African leaders call on EU to shut ivory trade

Fri, 16 Mar 2018 17:39:43 EDT

Thirty-two African countries on Friday called on the European Union to stop its ivory trade at a conference in Botswana aimed at saving African elephants.

GPM sees Tropical Cyclone Eliakim bring Madagascar soaking rainfall

Fri, 16 Mar 2018 17:39:06 EDT

As Tropical Cyclone Eliakim was strengthening on its way to landfall in Madagascar the Global Precipitation Measurement mission, or GPM, core satellite found very heavy rainfall occurring in the tropical storm.

NASA satellite finds Tropical Cyclone Marcus near Australia's Cobourg Peninsula Coast

Fri, 16 Mar 2018 17:37:36 EDT

Tropical Cyclone Marcus has developed off the coast of Australia's Northern Territory along the Cobourg Peninsula coast. NASA's Aqua satellite provided a view of the new storm from its orbit in space.

Soil fungi may help determine the resilience of forests to environmental change

Fri, 16 Mar 2018 17:34:45 EDT

Nature is rife with symbiotic relationships, some of which take place out of sight, like the rich underground exchange of nutrients that occurs between trees and soil fungi.

Zero field switching (ZFS) effect in a nanomagnetic device

Fri, 16 Mar 2018 17:32:25 EDT

An unexpected phenomenon known as zero field switching (ZFS) could lead to smaller, lower-power memory and computing devices than presently possible. The image shows a layering of platinum (Pt), tungsten (W), and a cobalt-iron-boron magnet (CoFeB) sandwiched at the ends by gold (Au) electrodes on a silicon (Si) surface. The gray arrows depict the overall direction of electric current injected into the structure at the back of the gold (Au) contact and coming out the front gold contact pad.

Piezomagnetic material changes magnetic properties when stretched

Fri, 16 Mar 2018 17:27:30 EDT

Piezoelectric materials, which generate an electric current when compressed or stretched, are familiar and widely used: think of lighters that spark when you press a switch, but also microphones, sensors, motors and all kinds of other devices. Now a group of physicists has found a material with a similar property, but for magnetism. This "piezomagnetic" material changes its magnetic properties when put under mechanical strain.

EU tech titans tax plan riles Washington

Fri, 16 Mar 2018 13:27:44 EDT

European Union plans for a digital tax on US tech giants like Facebook, Amazon and Google sparked fresh trade war tensions with Washington on Friday.

Entomologist confirms first Saharan farming 10,000 years ago

Fri, 16 Mar 2018 13:24:09 EDT

By analysing a prehistoric site in the Libyan desert, a team of researchers from the universities of Huddersfield, Rome and Modena & Reggio Emilia has been able to establish that people in Saharan Africa were cultivating and storing wild cereals 10,000 years ago. In addition to revelations about early agricultural practices, there could be a lesson for the future, if global warming leads to a necessity for alternative crops.

Assaults spiked on Trump rally days during 2016 election

Fri, 16 Mar 2018 13:21:35 EDT

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 published online today in Epidemiology by researchers in the Perelman School of Medicine at the University of Pennsylvania. Hillary Clinton rallies were not linked to any increase in assaults, they found.

Chirping is welcome in birds but not in fusion devices—scientists show that weak turbulence makes chirping more likely

Fri, 16 Mar 2018 13:16:25 EDT

Birds do it and so do doughnut-shaped fusion facilities called "tokamaks." But tokamak chirping— a rapidly changing frequency wave that can be far above what the human ear can detect—is hardly welcome to researchers who seek to bring the fusion that powers the sun and stars to Earth. Such chirping signals a loss of heat that can slow fusion reactions, a loss that has long puzzled scientists.

Soot transport contributes little to melting of some Antarctic glaciers

Fri, 16 Mar 2018 11:20:01 EDT

Airborne soot produced by wildfires and fossil-fuel combustion and transported to the remote McMurdo Dry Valleys of Antarctica contains levels of black carbon too low to contribute significantly to the melting of local glaciers, according to a new study by researchers supported by the National Science Foundation (NSF).

Black holes aren't totally black, and other insights from Stephen Hawking's groundbreaking work

Fri, 16 Mar 2018 11:10:01 EDT

Mathematical physicist and cosmologist Stephen Hawking was best known for his work exploring the relationship between black holes and quantum physics. A black hole is the remnant of a dying supermassive star that's fallen into itself; these remnants contract to such a small size that gravity is so strong even light cannot escape from them. Black holes loom large in the popular imagination – schoolchildren ponder why the whole universe doesn't collapse into one. But Hawking's careful theoretical work filled in some of the holes in physicists' knowledge about black holes.

Scientists mimic neural tissue

Fri, 16 Mar 2018 11:04:47 EDT

U.S. Army-funded researchers at Brandeis University have discovered a process for engineering next-generation soft materials with embedded chemical networks that mimic the behavior of neural tissue. The breakthrough material may lead to autonomous soft robotics, dual sensors and actuators for soft exoskeletons, or artificial skins.

A sea turtle paradise in the land of lakes and volcanoes

Fri, 16 Mar 2018 11:00:01 EDT

There is little reason to wonder why Nicaragua is known as the land of lakes and volcanoes when you witness its dramatic volcanic landscape filled with vast forests, lagoons, lakes and pristine beaches. Located in the middle of the Americas, Nicaragua is home to a rich variety of plants and animals, and its beaches provide important nesting habitat for sea turtles.

Fading wolf population to be restored at Lake Superior park

Fri, 16 Mar 2018 10:55:09 EDT

Federal officials have tentatively decided to transport 20-30 gray wolves to Isle Royale National Park in Michigan over the next three years to replenish a population that has nearly died out because of inbreeding and disease.

Chalkboard computer teacher is international conference star

Fri, 16 Mar 2018 10:53:49 EDT

A Ghanaian schoolteacher who used chalkboard drawings to teach computer science because his farming village had no laptops found himself the star of a global conference in Singapore.

EU readies tax on US tech titans

Fri, 16 Mar 2018 10:53:14 EDT

The European Union will next week unveil plans for a digital tax on US tech giants like Facebook, Amazon and Google as transatlantic tensions flare over prospects of a trade war.

US opposes taxes on big tech firms

Fri, 16 Mar 2018 10:52:31 EDT

The United States said Friday it "firmly opposes" any new tax aimed at big technology firms, in a sharp challenge to a European proposal aimed at American digital titans.

A media giant in the balance: AT&T antitrust trial kicks off

Fri, 16 Mar 2018 10:52:06 EDT

On Monday, AT&T squares off against the federal government in a trial that could shape how you get—and how much you pay for—streaming TV and movies.

A group of friends is better protection against bullying than one best friend

Fri, 16 Mar 2018 10:50:02 EDT

New research from the Murdoch Children's Research Institute (MCRI) has found having a group of friends – rather than a best friend – could help to protect children's mental and emotional wellbeing in the face of bullying.

Image: Tokyo from orbit

Fri, 16 Mar 2018 10:50:01 EDT

The Copernicus Sentinel-2A satellite takes us over the Japanese capital of Tokyo.