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Soft soil makes Mexico City shake like it was built on jelly
PHYS.ORG The soft soil that lines the ancient lake bed that Mexico City is built on amplified the shaking from Tuesday's earthquake and increased its... 6 hours
Facebook tightens ad policies after 'Jew-hater' fiasco
PHYS.ORG Facebook is apologizing for letting advertisers use phrases like "Jew-haters" as a targeting criteria and for not noticing it until it was pointed out. 6 hours
Nest Labs adds doorbell that can recognize familiar faces
PHYS.ORG Home device maker Nest Labs is adding Google's facial recognition technology to a camera-equipped doorbell and rolling out a security system in an attempt to end its history of losses. 7 hours
Plants combine color and fragrance to procure pollinators
PHYS.ORG Who knew that it's possible to predict the fragrance of a flower by looking at its color? 7 hours
Apple says its new watch has cellular connectivity problems
PHYS.ORG Apple confirmed that its new Series 3 Apple Watch can encounter problems connecting to a cellular network. The problems arise when the watch joins unauthenticated Wi-Fi networks without connectivity. 7 hours
3-D analysis of dog fossils sheds light on domestication debate
PHYS.ORG In an effort to settle the debate about the origin of dog domestication, a technique that uses 3-D scans of fossils is helping researchers determine the difference between... 7 hours
When residents take charge of their rainforests, fewer trees die
PHYS.ORG When the government gives citizens a personal stake in forested land, trees don't disappear as quickly and environmental harm slows down. 7 hours
Fly away home? Ice age may have clipped bird migration
PHYS.ORG The onset of the last ice age may have forced some bird species to abandon their northerly migrations for thousands of years, says new research led by a... 7 hours
Protected waters foster resurgence of West Coast rockfish
PHYS.ORG West Coast rockfish species in deep collapse only 20 years ago have multiplied rapidly in large marine protected areas off Southern California, likely seeding surrounding waters with enough offspring to offer promise... 7 hours
Wave Glider surfs across stormy Drake Passage in Antarctica
PHYS.ORG VIDEO The Southern Ocean is key to Earth's climate, but the same gusting winds, big waves and strong currents that are important to ocean physics make it perilous for oceanographers. 7 hours
nasa finds very heavy rainfall in hurricane maria NASA finds very heavy rainfall in Hurricane Maria
PHYS.ORG VIDEO NASA looked into Hurricane Maria and found that powerful convective storms within the hurricane were dropping heavy rainfall. Maria brought that heavy rainfall to Puerto Rico and made landfall on Sept. 20... 7 hours
Hubble discovers a unique type of object in the Solar System
PHYS.ORG VIDEO With the help of the NASA/ESA Hubble Space Telescope, a German-led group of astronomers have observed the intriguing characteristics of an unusual type of object in... 7 hours
Dockless bike-share hits US capital, following craze in China (Update)
PHYS.ORG Dockless bike-sharing, a trend which has taken China by storm, arrived in the US capital Wednesday with the launch of new services aimed at promoting two-wheeled travel without... 7 hours
Mathematics predicts a sixth mass extinction by 2100
PHYS.ORG In the past 540 million years, the Earth has endured five mass extinction events, each involving processes that upended the normal cycling of carbon through the atmosphere and oceans. These globally fatal... 9 hours
New hermit crab uses live coral as its home
PHYS.ORG A new hermit crab species can live in a walking coral's cavity in a reciprocal relationship, replacing the usual marine worm partner, according to a study published September 20, 2017... 9 hours
Life differences make women less risk tolerant when investing
PHYS.ORG Prior research has long shown that women are, on average, less risk tolerant in their financial decisions than men. This is a concern as investors with low levels of risk... 10 hours
Attorneys: Portions of Foxconn law could be unconstitutional
PHYS.ORG Nonpartisan attorneys for the Wisconsin Legislature are warning that portions of a newly signed law speeding up legal appeals related to a planned flat-screen display factory could be unconstitutional. 10 hours
Apple CEO defends 'dreamers' program
PHYS.ORG Apple CEO Tim Cook defended the government program that protects young immigrants in the U.S. illegally and called immigration the "biggest issue of our time." 10 hours
Neutralization of pathogenic fungi with small-molecule immunotherapeutics
PHYS.ORG Fungal infections represent an increasing health crisis, especially for immune-deficient patients. American scientists now report in the journal Angewandte Chemie that specific help could be provided by small-molecule immunotherapeutics with novel mechanism of action.... 10 hours
Nevada experiment mimics earthquakes to test bridge designs
PHYS.ORG A day after a deadly earthquake struck Mexico City, University of Nevada scientists will mimic quakes to test new bridge designs developed to help the structures better withstand violent temblors. 10 hours
Europe urged to reconsider pullout from 'Armageddon' asteroid mission
PHYS.ORG Space scientists urged Europe Wednesday to rethink its withdrawal from a futuristic, international dry-run for an Armageddon-like mission to deflect a space rock on a calamitous collision course with Earth. 10 hours
engineers 3 d print high strength aluminum solve ages old welding problem using nanoparticles Engineers 3-D print high-strength aluminum, solve ages-old welding problem using nanoparticles
PHYS.ORG VIDEO HRL Laboratories has made a breakthrough in metallurgy with the announcement that researchers at the famous facility have developed a technique for successfully 3D printing high-strength... 10 hours
The right way to repair DNA
PHYS.ORG Is it better to do a task quickly and make mistakes, or to do it slowly but perfectly? When it comes to deciding how to fix breaks in DNA, cells face the same choice between two... 10 hours
Scientists create world's first 'molecular robot' capable of building molecules
PHYS.ORG Scientists at The University of Manchester have created the world's first 'molecular robot' that is capable of performing basic tasks including building other molecules. 10 hours
Winter restricts innovation—A new model for tropical plant biodiversity is based on the 'storage effect'
PHYS.ORG Based on data from 10 long-term forest monitoring plots, including seven from the Smithsonian's ForestGEO network, a team... 10 hours
Scientists make atoms-thick Post-It notes for solar cells and circuits
PHYS.ORG Over the past half-century, scientists have shaved silicon films down to just a wisp of atoms in pursuit of smaller, faster electronics. For the next set of breakthroughs,... 10 hours
NASA gets an infrared view of large Tropical Storm Jose
PHYS.ORG Satellite imagery shows that Jose is a large storm, with a large reach. NASA's Aqua satellite captured cloud top temperatures of Tropical Storm Jose that revealed the strongest... 10 hours
Scientists propose new concept of terrestrial planet formation
PHYS.ORG Scientists have long been intrigued by the surfaces of terrestrial bodies other than Earth which reveal deep similarities beneath their superficially differing volcanic and tectonic histories. 10 hours
Most Americans get science news from general outlets more say specialty outlets more accurate
PHYS.ORG At a time when science information is increasingly at the center of public divides, most Americans say they get science... 10 hours
Using AI, citizen science and disaster response to help victims of Hurricane Irma
PHYS.ORG A highly unusual collaboration between information engineers at Oxford, the Zooniverse citizen science platform and international disaster response organization Rescue Global is... 11 hours
Aligning the primary mirror segments of NASA's James Webb Space Telescope with light
PHYS.ORG VIDEO Engineers at NASA's Johnson Space Center in Houston used light waves to align the James Webb Space Telescope's mirror segments to each... 11 hours
Voters reward—or punish—school board incumbents based on white students' achievement
PHYS.ORG Voters reward or punish incumbent school board members based on the achievement of white students in their district, while outcomes for African-American and Hispanic students get relatively little... 11 hours
How Teotihuacan's urban design was lost and found
PHYS.ORG Name one civilization located in the Americas that pre-dates the arrival of Europeans. You probably replied with the Aztecs, the Inca or perhaps the Maya. A new paper, published in De Gruyter's... 11 hours
Animal acoustic activity decline shows forest fire pollution wreaks havoc on wildlife
PHYS.ORG Forest fires in Southeast Asia during the El Niño droughts of 2015 caused considerable disruption to the biodiversity of the region due to the... 11 hours
Researchers discover unique property of critical methane-producing enzyme
PHYS.ORG An unexpected discovery has given scientists a greater understanding of an important methane-producing enzyme. 11 hours
New Army models predict number of cyberattacks that pierce company networks
PHYS.ORG A new study from the U.S. Army Research Laboratory presents evidence that the number of cyber intrusions can be predicted, particularly when analysts are already observing... 12 hours
Theoretical physicist rethinks how we differentiate organisms on the microbial scale
PHYS.ORG Even Charles Darwin, the author of "The Origin of Species", had a problem with species. 12 hours
Scientists prevent hacker attacks on cars
PHYS.ORG Today, many cars are offering a digital gateway which hackers can misuse. Scientists at the Competence Center for IT Security at Saarland University and the German Research Center for Artificial Intelligence have therefore developed a technology... 12 hours
Criminal Justice Review examines special victim populations
PHYS.ORG A special issue of Criminal Justice Review focuses on the victimization of specialized populations, including youth involved in prostitution, youth living in foster care, LGBTQ students in middle and high school, female college students,... 12 hours
Chinese man pleads guilty in global software piracy case
PHYS.ORG A Chinese businessman has pleaded guilty to his role in an international, multimillion dollar software piracy case. 12 hours
Alexa, what do you see? Amazon said to be working on glasses
PHYS.ORG Amazon is attempting to develop glasses that pair with Alexa and would allow users to access the voice-activated assistant outside the home, according to... 12 hours
Report: Iran group hacks aviation, petrochemical industries
PHYS.ORG A group of hackers suspected of working in Iran for its government is targeting the aviation and petrochemical industries in Saudi Arabia, the U.S. and South Korea, a cybersecurity firm warned Wednesday. 12 hours
Chinese dockless bike-share giant launches US beachhead
PHYS.ORG Chinese bike-sharing giant Mobike on Wednesday launched in the US capital, bringing its "dockless" system which has swept China and is used in some 180 cities worldwide. 12 hours
Scientists find cellular backup plan for keeping iron levels just right
PHYS.ORG Iron is essential for cells to function, but excess iron can damage cells. Accordingly, cells have sophisticated molecular mechanisms to constantly sense and adjust iron levels.... 12 hours
Chemists speak out on sexual harassment in academia
PHYS.ORG Sexual misconduct on college campuses is an age-old problem that continues to plague students and faculty, and is now the subject of renewed debate. It can traumatize those who are harassed, and... 12 hours
Is the Milky Way an 'outlier' galaxy? Studying its 'siblings' for clues
PHYS.ORG The most-studied galaxy in the universe—the Milky Way—might not be as "typical" as previously thought, according to a new study. 12 hours
'Overwatch' eSports league to debut in December
PHYS.ORG Activision Blizzard announced Wednesday its "Overwatch" eSports league—cashing in on the rise of video gaming as a spectator sport—would make its debut in December. 12 hours
Halogen bonding-mediated metal-free controlled cationic polymerization
PHYS.ORG Chemists at the Nagoya Institute of Technology (NITech) report a metal-free method to control cationic polymerization that provides a new framework for higher quality industrial polymers applicable to semi-conductors and bio-materials. The reaction depends on weak... 12 hours
Review: Apple Watch goes solo, but don't dump your phone yet
PHYS.ORG A chief gripe with Apple Watch is that it requires you to keep an iPhone with you for most tasks. The inclusion of GPS last year... 13 hours
New microscope technology gives researchers a detailed look at structure and composition of materials
PHYS.ORG At their core, electron microscopes work a lot like a movie projectors. A high-powered beam passes through a material and... 13 hours
Aligning the primary mirror segments of NASA's James Webb Space Telescope with light
Mattis sees need for new space programs
This robotic ‘remora’ can cling to objects with a force 340 times its own weight
Science Magazine
Hubble discovers a unique type of object in the Solar System
Wave Glider surfs across stormy Drake Passage in Antarctica
NASA finds very heavy rainfall in Hurricane Maria
Why flu vaccines so often fail
Science Magazine
Engineers 3-D print high-strength aluminum, solve ages-old welding problem using nanoparticles
Climate change lessons from Arabian Gulf coral reefs
Space radiation is risky business for the human body