Phys.org-News about science

Welcome to the “Phys.org” update from Hawaii Science Digest.  Views expressed in this science and technology news summary are those of the reporters and correspondents.  Content supplied by “Phys.org”, an official publication of the ScienceX Network.

Accessed on 22 April 2019, 1455 UTC.

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To save life on Earth, here’s the $100 billion-a-year solution

There have been five mass extinctions in the history of the Earth. But in the 21st century, scientists now estimate that society must urgently come to grips this coming decade to stop the very first human-made biodiversity …

New device paves the way to 3-D-printed organs, food

More than 113,000 people are currently on the national transplant list. And with a shortage of donors, this means that about 20 people will die every day while waiting for an organ, according to the U.S. Department of Health.

Lithium boosts muscle strength in mice with rare muscular dystrophy

Standing up from a chair, climbing stairs, brushing one’s hair – all can be a struggle for people with a rare form of muscular dystrophy that causes progressive weakness in the shoulders and hips. Over time, many such people …

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 Tech Xplore

Group decisions: When more information isn’t necessarily better

In nature, group decisions are often a matter of life or death. At first glance, the way certain groups of animals like minnows branch off into smaller sub-groups might seem counterproductive to their survival. After all, …

Blankets, bed-sharing common in accidental baby suffocations

Accidental suffocation is a leading cause of injury deaths in U.S. infants and common scenarios involve blankets, bed-sharing with parents and other unsafe sleep practices, an analysis of government data found.

Incident on SpaceX pad could delay its first manned flight

A mysterious but apparently serious incident occurred Saturday in Cape Canaveral, Florida involving the SpaceX capsule intended to carry American astronauts into space late this year, the private company and NASA announced.

The stone faces and human problems on Easter Island

In 1981, UCLA archaeology graduate student Jo Anne Van Tilburg first set foot on the island of Rapa Nui, which is commonly called Easter Island, eager to explore her interest in rock art by studying the iconic stone heads …

Will Netflix eventually monetize its user data?

Even in the wake of a recent mixed earning report and volatile stock prices, Netflix remains the media success story of the decade. The company, whose user base has grown rapidly, now boasts almost 150 million global subscribers.

Thousands protest China-backed mega-dam in Myanmar

Thousands of people in northern Myanmar took to the streets on Monday to protest against the proposed reinstatement of a Chinese-backed mega-dam they say will cause huge environmental damage and bring little benefit to the …

Slime mold absorbs substances to memorize them

In 2016, CNRS scientists demonstrated that the slime mold Physarum polycephalum, a single-cell organism without a nervous system, could learn to no longer fear a harmless but aversive substance and could transmit this knowledge …

Modified ‘white graphene’ for eco-friendly energy

Scientists from Tomsk Polytechnic University (TPU), together with colleagues from the United States and Germany, have found a way to obtain inexpensive catalysts from hexagonal boron nitride or “white graphene.” The technology …

Marine Skin dives deeper for better monitoring

A new and greatly improved version of an electronic tag, called Marine Skin, used for monitoring marine animals could revolutionize our ability to study sea life and its natural environment, say KAUST researchers.

Anxiety ‘epidemic’ brewing on college campuses, researchers find

The number of 18- to 26-year-old students who report suffering from anxiety disorder has doubled since 2008, perhaps as a result of rising financial stress and increased time spent on digital devices, according to preliminary …

Thermodynamic magic enables cooling without energy consumption

Physicists at the University of Zurich have developed an amazingly simple device that allows heat to flow temporarily from a cold to a warm object without an external power supply. Intriguingly, the process initially appears …

Things are stacking up for NASA’s Mars 2020 spacecraft

For the past few months, the clean room floor in High Bay 1 at NASA’s Jet Propulsion Laboratory in Pasadena, California, has been covered in parts, components and test equipment for the Mars 2020 spacecraft, scheduled for …

Researchers report high performance solid-state sodium-ion battery

Solid-state sodium-ion batteries are far safer than conventional lithium-ion batteries, which pose a risk of fire and explosions, but their performance has been too weak to offset the safety advantages. Researchers Friday …

Fuel cells in bacteria

The exchange of nitrogen between the atmosphere and organic matter is crucial for life on Earth because nitrogen is a major component of essential molecules such as proteins and DNA. One major route for this exchange, discovered …

Inequalities in the UK can be detected using deep learning image analysis

Social, economic, environmental and health inequalities within cities can be detected using street imagery. The findings, from scientists at Imperial College London, are published in Scientific Reports this week.

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