Thursday, 27 June 2019

Twitter adds warnings to rule-breaking tweets from public figures

Twitter announced Thursday it would add warning labels to tweets from officials and politicians that violate its rules—a move potentially affecting the prodigious output of US President Donald Trump.

* This article was originally published here

Order from chaos: Australian vortex studies are first proof of 70-year-old theory of turbulence in fluids

Two Australian studies published this week offer the first proof of a 70-year-old theory of turbulence.

* This article was originally published here

Video: The chemistry behind black powder

Old-school gunpowder is really called "black powder," and it was so crucial to the Revolutionary War effort that early Americans went to great (and gross) lengths to make it.

* This article was originally published here

Drag-and-drop data analytics

In the Iron Man movies, Tony Stark uses a holographic computer to project 3-D data into thin air, manipulate them with his hands, and find fixes to his superhero troubles. In the same vein, researchers from MIT and Brown University have now developed a system for interactive data analytics that runs on touchscreens and lets everyone—not just genius, billionaire, playboy philanthropists—tackle real-world issues.

* This article was originally published here

Study examines association of naloxone coprescription laws on naloxone Rx dispensing

In a new study published in JAMA Network Open, University of Kentucky researchers, in collaboration with researchers from Ferris State University, examined whether legal mandates on naloxone coprescription in certain states increased naloxone dispensing.

* This article was originally published here

Even the threat of homelessness may bring higher stroke risk

People who are homeless or who live in marginal housing where they are vulnerable to homelessness are at higher risk for strokes, even at younger ages, according to a new study.

* This article was originally published here

New technology gives insight into how nanomaterials form and grow

A new form of electron microscopy allows researchers to examine nanoscale tubular materials while they are "alive" and forming liquids—a first in the field.

* This article was originally published here

Teaching robots what humans want

Told to optimize for speed while racing down a track in a computer game, a car pushes the pedal to the metal … and proceeds to spin in a tight little circle. Nothing in the instructions told the car to drive straight, and so it improvised.

* This article was originally published here

Apple recalls some MacBook Pro laptops due to fire hazard

Apple is recalling some MacBook Pro laptops due to a fire hazard.

* This article was originally published here

EPA refuses to give Congress documents on rejection of NASA flight after Hurricane Harvey

Congressional Democrats are chiding the U.S. Environmental Protection Agency for thwarting a House committee's investigation into the agency's actions during Hurricane Harvey.

* This article was originally published here

How to move past life's inevitable speed bumps

Setbacks are a part of life for everyone, but these stumbling blocks can be extremely difficult, even debilitating, to navigate.

* This article was originally published here

Children living in countryside outperform children living in metropolitan areas in motor skills

In a recent study, 3 to 7-year-old children provided an example of how children's daily living environment and motor skills are closely related in the Finnish context. The main finding revealed that residential density is related to children's motor skills, engagement in outdoor play and organised sports. It was found that Finnish children living in the countryside spent more time outdoors and had better motor skills than their age-matched peers in the metropolitan area. On the other hand, children living in the metropolitan area participated the most in organised sports.

* This article was originally published here

Hate speech on Twitter predicts frequency of real-life hate crimes

According to a first-of-its-kind study, cities with a higher incidence of a certain kind of racist tweets reported more actual hate crimes related to race, ethnicity, and national origin.

* This article was originally published here

Italy's 'cannabis light' creates buzz even if the pot won't

It's been called the Italian "green gold rush." Mild, barely there marijuana dubbed "cannabis light" has put Italy on the international weed map, producing hundreds of stores that sell pot by the pouch and attention from investors banking the legalization of stronger stuff will follow.

* This article was originally published here

Cyprus racers show budget solar cars have a sunny future

Venetia Chrysostomide fastened her helmet and rolled her solar-powered car into the sunny streets of Cypriot capital Nicosia for a race to showcase such vehicles' eco-friendly potential, even on a budget.

* This article was originally published here