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

Extreme exercise can strain the heart without causing permanent damage

Researchers have found no evidence of elevated cardiac risk in runners who completed a 24-hour ultramarathon (24UM), despite the transient elevation of blood biomarkers that measure cardiac health. According to the study in the journal Heliyon, published by Elsevier, trained runners were more likely than their novice counterparts to experience raised levels, reflecting the greater cardiac load and pituitary-adrenocortical response to extremely strenuous exercise.

* 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

Facebook starting nominations 'soon' for content oversight panel

Facebook said Thursday it would soon open up nominations for a new 40-member oversight panel to make tough decisions on content moderation, saying it would be independent of governments and management of the social networking giant.

* This article was originally published here

New unprinting method can help recycle paper and curb environmental costs

Imagine if your printer had an "unprint" button that used pulses of light to remove toner—and thereby quintupled the lifespan of recycled paper.

* This article was originally published here

Mark Zuckerberg to regulators: We need your help to protect elections

As public trust in Facebook's ability to wield its power responsibly has fractured in the face of a series of privacy breaches and other scandals, the company has been facing fresh calls for regulation from numerous quarters of the federal government.

* This article was originally published here

Terra satellite eyes tropical storm Alvin

Visible imagery from NASA's Terra satellite showed Tropical Storm Alvin had organized and strengthened into a strong tropical storm, just over 500 miles from Mexico's Baja California peninsula.

* This article was originally published here

Is Facebook listening to me? Why those ads appear after you talk about things

My editor, Michelle, was at a birthday party for her son's friend recently, when the mom mentioned a company she liked called Joymode. Minutes later, an ad for Joymode appeared on Michelle's Facebook news feed.

* 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

The RoboBee flies solo—Cutting the power cord for the first untethered flight

The RoboBee—the insect-inspired microrobot developed by researchers at Harvard University—has become the lightest vehicle ever to achieve sustained flight without the assistance of a power cord. After decades of work, the researchers achieved untethered flight by making several important changes to the RoboBee, including the addition of a second pair of wings. That change, along with less visible changes to the actuators and transmission ratio, gave the RoboBee enough lift for the researchers to attach solar cells and an electronics panel.

* This article was originally published here

Facebook enlists plain English to clarify how it makes money

Facebook is updating its terms and services guidelines to clarify how it makes money from the personal information of its users. The changes reflect its ongoing attempts to satisfy regulators in the U.S. and Europe, which have urged the company to make sure users know what they are signing up for.

* This article was originally published here

One simple change cut unnecessary imaging for cancer patients in half

Simply introducing a default physician order—a "nudge"—into electronic health records (EHRs) cut the use of unnecessary daily imaging in half during palliative radiation therapy sessions for patients with advanced cancer, according to a Penn Medicine study published today in JAMA Oncology. While daily imaging is typically used in curative cancer treatment, national guidelines recommend providers transition to weekly imaging for palliative radiotherapy sessions. Daily imaging unnecessarily extends the duration of each radiation therapy session for palliative care patients who are often in pain or discomfort from the progression of cancer.

* This article was originally published here

3-D printed prosthetic hand can guess how people play 'rock, paper, scissors'

A new 3-D-printed prosthetic hand can learn the wearers' movement patterns to help amputee patients perform daily tasks, reports a study published this week in Science Robotics.

* This article was originally published here

Australian plant 'kangaroo paw' may hold clues to understanding biodiversity down under

A new study on kangaroo paws by The University of Western Australia and researchers at Kings Park and Botanic Gardens has challenged existing views that plants favour long distance rather than short distance pollination to reproduce.

* This article was originally published here

Early detection of schizophrenia

Detecting and treating schizophrenia early, perhaps even before symptoms arise, could lead to better therapeutic outcomes. Studies have demonstrated differences in social function and cognition among people who later develop symptoms of schizophrenia, but less is known about pre-morbid temperament and personality.

* This article was originally published here

Robot arm tastes with engineered bacteria

A robotic gripping arm that uses engineered bacteria to "taste" for a specific chemical has been developed by engineers at the University of California, Davis, and Carnegie Mellon University. The gripper is a proof-of-concept for biologically-based soft robotics.

* This article was originally published here

Is more weight protective? Weight gain and high BMI linked to lower risk of ALS

People who have a high body mass index (BMI) or who gain weight as they get older may have a lower risk of amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, according to a large study published in the June 26, 2019, online issue of Neurology, the medical journal of the American Academy of Neurology.

* This article was originally published here

Can Facebook improve your mental health?

Contrary to popular belief, using social media and the internet regularly could improve mental health among adults and help fend off serious psychological distress, such as depression and anxiety, finds a new Michigan State University study.

* This article was originally published here

Big birds: Giant, 1,000-pound birds once roamed around Europe

Talk about your big bird.

* This article was originally published here

Risk prediction model may help determine if a lung nodule will progress to cancer

A risk prediction model developed using clinical and radiological features could stratify individuals presenting with a lung nodule as having high or low risk for lung cancer.

* This article was originally published here