Monday, February 18, 2019

Science X Newsletter Week 07

Dear Reader ,

Here is your customized Science X Newsletter for week 07:

Climate of North American cities will shift hundreds of miles in one generation

In one generation, the climate experienced in many North American cities is projected to change to that of locations hundreds of miles away—or to a new climate unlike any found in North America today.

NASA heading back to Moon soon, and this time to stay

NASA is accelerating plans to return Americans to the Moon, and this time, the US space agency says it will be there to stay.

Running an LED in reverse could cool future computers

In a finding that runs counter to a common assumption in physics, researchers at the University of Michigan ran a light emitting diode (LED) with electrodes reversed in order to cool another device mere nanometers away.

Researchers discover how sleep can fight infection

Researchers in Germany have discovered why sleep can sometimes be the best medicine. Sleep improves the potential ability of some of the body's immune cells to attach to their targets, according to a new study that will be published February 12 in the Journal of Experimental Medicine. The study, led by Stoyan Dimitrov and Luciana Besedovsky at the University of Tübingen, helps explain how sleep can fight off an infection, whereas other conditions, such as chronic stress, can make the body more susceptible to illness.

New study shows violent video games do not make teens more aggressive

A pair of researchers with the University of Oxford and Cardiff University has conducted a study aimed at determining whether playing violent games cause young people to become more aggressive. In their paper published in the journal Royal Society Open Science, Andrew Przybylski and Netta Weinstein describe their study that involved surveying approximately 1,000 teens and their parents in Great Britain and what they learned from them.

Spinal cord is 'smarter' than previously thought

We often think of our brains as being at the centre of complex motor function and control, but how 'smart' is your spinal cord?

Machine learning reveals hidden turtle pattern in quantum fireworks

Two years ago, physicists at the University of Chicago were greeted with fireworks—atoms shooting out in jets—when they discovered a new form of quantum behavior. But the patterns underlying the bright jets were difficult to pick out from the noise.

NASA finds possible second impact crater under Greenland ice

A NASA glaciologist has discovered a possible second impact crater buried under more than a mile of ice in northwest Greenland.

Chimp communication gestures found to follow human linguistics rules

A team of researchers with members from the U.K., Switzerland and Spain has found that chimpanzees use communication gestures in ways that follow human linguistic rules. In their paper published in Proceedings of the Royal Society B, the group describes their study of chimps communicating with one another in the wild, and compares their observations against human communication rules.

Discovery of the oldest evidence of motility on Earth

An international multi-disciplinary team coordinated by Abderrazak El Albani at the Institut de chimie des milieux et matériaux de Poitiers (CNRS/Université de Poitiers) has uncovered the oldest fossilised traces of motility. Whereas previous remnants were dated to 570 million years ago, this new evidence is 2.1 billion years old. The fossils were discovered in a deposit in Gabon, where the oldest multicellular organisms were found. The results appear in the 11 February 2019 edition of PNAS.

What exactly is a black hole?

What is a black hole? In an article that has just appeared in the journal Nature Astronomy, LMU philosopher Erik Curiel shows that physicists use different definitions of the concept, depending on their own particular fields of interest.

World seeing 'catastrophic collapse' of insects: study

Nearly half of all insect species worldwide are in rapid decline and a third could disappear altogether, according to a study warning of dire consequences for crop pollination and natural food chains.

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet

Most schoolchildren learn that the Earth has three (or four) layers: a crust, mantle and core, which is sometimes subdivided into an inner and outer core. That's not wrong, but it does leave out several other layers that scientists have identified within the Earth.

Where is the universe hiding its missing mass?

Astronomers have spent decades looking for something that sounds like it would be hard to miss: about a third of the "normal" matter in the Universe. New results from NASA's Chandra X-ray Observatory may have helped them locate this elusive expanse of missing matter.

Protein released from fat after exercise improves glucose

It's well-known that exercise improves health, but understanding how it makes you healthier on a molecular level is the question researchers at Joslin Diabetes Center are answering.

New species of spider discovered with unusual social skills

A researcher at Royal Holloway, University of London, has discovered a new species of spider in Indonesia.

Stonehenge mystery solved? Prehistoric French may have inspired it and other European megaliths

Although Stonehenge may be the most famous of Europe's megaliths, it's far from the only one: There are about 35,000 of these mysterious stone structures throughout the continent.

New study finds ecosystem changes following loss of great white sharks

A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa. The study found that the disappearance of great whites has led to the emergence of sevengill sharks, a top predator from a different habitat. A living fossil, sevengill sharks closely resemble relatives from the Jurassic period, unique for having seven gills instead of the typical five in most other sharks.

Engineers develop room temperature, two-dimensional platform for quantum technology

Quantum computers promise to be a revolutionary technology because their elementary building blocks, qubits, can hold more information than the binary, 0-or-1 bits of classical computers. But to harness this capability, hardware must be developed that can access, measure and manipulate individual quantum states.

Masterswitch discovered in body's immune system

Scientists have discovered a critical part of the body's immune system with potentially major implications for the treatment of some of the most devastating diseases affecting humans.


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