Top Physical & Tech News
October 7, 2015

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October 7, 2015

Oct. 6, 2015 — A new study shows that iron-bearing rocks that formed at the ocean floor 3.2 billion years ago carry unmistakable evidence of oxygen. The only logical source for that oxygen is the earliest known ... read more

How, Mathematically, to Make Something Go Viral on Facebook

Oct. 6, 2015 — Researchers have proposed a strategic approach for information spreading via Facebook using cancer screenings as a health intervention. They use Facebook to identify social clusters and opinion ... read more

Protein Reactions Identified With Subatomic Resolution

Oct. 6, 2015 — Using subatomic resolution, researchers have gained insights into the dynamic modus operandi of two switch proteins which are responsible for the import of compounds into the nucleus and for cell ... read more

The Science of Retweets

Oct. 6, 2015 — What's the best time to tweet, to ensure maximum audience engagement? Researchers have demonstrated that an algorithm that takes into account the past activity of each of your followers -- and ... read more

Section Speed Control Reduces the Number of Killed, Severely Injured by Half

Oct. 6, 2015 — Section control reduces injury crashes and, even more, the number of killed or severely injured. The results of this study refer to the section of road between the two ... read more

Oct. 6, 2015 — As the push for thinner and faster electronics continues, a new finding could help inform the design of the next generation of cheaper, more efficient ... read more

Predicting Which Soldiers Will Commit Severe, Violent Crimes

Oct. 6, 2015 — A new report shows that a machine learning model using Department of Defense and Army administrative records was able to identify in advance the 5 percent of US Army soldiers serving from 2004 to ... read more

Physicists Shrink Particle Accelerator

Oct. 6, 2015 — Researchers have built the first prototype of a miniature particle accelerator that uses terahertz radiation instead of radio frequency structures. The terahertz technology holds the promise of ... read more

Pushing Boundaries in Software Analytics

Oct. 6, 2015 — Researchers have developed an automated 'debugging' approach called Adaptive Multimodal Bug Localisation (AML). AML gleans debugging hints from both bug reports and test cases, and it ... read more

Oct. 5, 2015 — Astronomers have created a way to compare and rank exoplanets to help prioritize which of the thousands discovered warrant close inspection in the search for life beyond ... read more

Using, Sharing, New Technologies Is Key for Conservation

Oct. 5, 2015 — Scientists estimate that we are losing species at 1,000 times the natural background rate. New technologies are improving conservation efforts by making it easier, faster, and cheaper to monitor ... read more

New Metabolomic Platform Reveals Fundamental Flaw in Common Lab Technology

Oct. 5, 2015 — A technology used in thousands of laboratories, called gas chromatography mass spectrometry, fundamentally alters the samples it analyzes, new research ... read more

Oct. 5, 2015 — The efficiency of solar cells depends on precise engineering of polymers that assemble into films 1,000 times thinner than a human hair. Today, formation of that polymer assembly requires solvents ... read more

Oct. 5, 2015 — A two-dimensional crystal, combined with graphene, has the capability to detect optical pulses with a response faster than 10 picoseconds, while maintaining a high efficiency, a new study ... read more

Oct. 5, 2015 — A newly upgraded high-power laser will blaze new trails across many fields of science by recreating the universe’s most extreme conditions, such as those at the heart of stars and planets, in a ... read more

Expert Opinion: Are CT Scans Safe?

Oct. 5, 2015 — With questions lingering about the safety of medical imaging and the radiation that is used in some of those tests, a radiation safety expert has written a paper that provides clear answers that she ... read more

Oct. 5, 2015 — Perovskite solar cells are cheaper to make than traditional silicon cells and their electricity conversion efficiency is improving rapidly. To be commercially viable, perovskite cells need to scale ... read more

Oct. 5, 2015 — Researchers have created tiny pores in single sheets of graphene that have an array of preferences and characteristics similar to those of ion channels in living ... read more

Phone App Allows Researchers to Conduct Concealed Food Safety Observations

Oct. 5, 2015 — Smartphones are so ubiquitous, and text messaging and social media activities so common in public places, that no one questions what anyone does with their phone. That pervasiveness allows a phone ... read more

Flame Retardant Breakthrough Is Naturally Derived, Nontoxic

Oct. 5, 2015 — A new flame retardant has been created to replace commercial additives that are often toxic and can accumulate over time in the environment and living animals, including ... read more

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