Monday, May 14, 2018

Science X Newsletter Week 19

Dear Reader ,

Here is your customized Science X Newsletter for week 19:

NASA program to track greenhouse gas is canceled (Update)

A NASA program that cost $10 million per year to track carbon and methane, key greenhouse gases that contribute to global warming, has been cancelled, a US space agency spokesman said Thursday.

Light could make semiconductor computers a million times faster or even go quantum

A technique to manipulate electrons with light could bring quantum computing up to room temperature.

Earth's orbital changes have influenced climate, life forms for at least 215 million years

Scientists drilling deep into ancient rocks in the Arizona desert say they have documented a gradual shift in Earth's orbit that repeats regularly every 405,000 years, playing a role in natural climate swings. Astrophysicists have long hypothesized that the cycle exists based on calculations of celestial mechanics, but the authors of the new research have found the first verifiable physical evidence. They showed that the cycle has been stable for hundreds of millions of years, from before the rise of dinosaurs, and is still active today. The research may have implications not only for climate studies, but our understanding of the evolution of life on Earth, and the evolution of the Solar System. It appears this week in the Proceedings of the National Academy of Sciences.

Schizophrenia affects your body, not just your brain – new study

Schizophrenia is considered a disorder of the mind, influencing the way a person thinks, feels and behaves. But our latest research shows that organs, other than the brain, also change at the onset of the disease.

Cloaking devices—it's not just 'Star Trek' anymore

Cloaking devices play a pivotal role in many sci-fi television programs. Scientists are now working to take this technology from the dramatic realm of science fiction and make it real. Amanda D. Hanford, at Pennsylvania State University, is taking the introductory steps to make acoustic ground cloaks. These materials redirect approaching waves around an object without scattering the wave energy, concealing the object from the sound waves.

The effect of night shifts—gene expression fails to adapt to new sleep patterns

Have you ever considered that working night shifts may, in the long run, have an impact on your health? A team of researchers from the McGill University affiliated Douglas Mental Health University Institute (DMHUI) has discovered that genes regulating important biological processes are incapable of adapting to new sleeping and eating patterns and that most of them stay tuned to their daytime biological clock rhythms.

Monster ocean wave sets southern hemisphere record: scientists

Scientists have recorded what is believed to be the largest wave ever in the southern hemisphere, a 23.8 metre (78 foot) monster the height of an eight-floor building.

Unexpected behaviour of atom clouds challenges existing theories

Experiments with ultra-cold atoms at the TU Wien have shown surprising results: coupled atom clouds synchronize within milliseconds. This effect cannot be explained by standard theories.

Drug may reverse imbalance linked to autism symptoms

An FDA-approved drug can reverse an ionic imbalance in neurons that leads to hyper-excitability in mice modeling an autism-related genetic disorder, according to a Northwestern Medicine study published in Molecular Psychiatry.

Time travellers welcome at Hawking's memorial service

The public ballot for tickets to Professor Stephen Hawking's thanksgiving service opened Saturday—with visitors from the future welcome to apply.

A low energy diet leaves people feeling full and eating fewer calories

People who followed a diet of low energy density food such as vegetables, lean meat and rice were more likely to feel full than those who tried to restrict their calorie intake, according to research.

Radar reveals details of mountain collapse after North Korea's most recent nuclear test

As North Korea's president pledges to "denuclearize" the Korean peninsula, an international team of scientists is publishing the most detailed view yet of the site of the country's latest and largest underground nuclear test on Sept. 3, 2017.

Study: Women perceive men who extrovertly display their wealth as unsuitable partners for long-term relationships

When a man throws money around on flashy cars, people intuitively interpret this behavior as a sign that he is more interested in short-term sexual relationships than in romantic commitment. This is according to Daniel Kruger of the University of Michigan and Jessica Kruger at the University at Buffalo in the US, in a study published in Springer's journal Evolutionary Psychological Science.

Sharks can acquire a taste for jazz music

While for many people sharks bring to mind the Jaws theme music, it seems sharks themselves prefer jazz.

Enzyme blocker stops growth of deadly brain tumor

Investigators were able to halt the growth of glioblastoma, an aggressive form of brain cancer, by inhibiting an enzyme called CDK5, according to a Northwestern Medicine study published in Cell Reports.

New Zealand sinkhole reveals glimpse into 60,000-year-old volcano

A new sinkhole on a North Island farm as deep as four double-decker buses and almost the length of two football fields has grabbed the attention of New Zealand volcanologists.

Large predators once hunted to near-extinction are showing up in unexpected places

Alligators on the beach. Killer whales in rivers. Mountain lions miles from the nearest mountain.

Geoscientists suggest 'snowball Earth' resulted from plate tectonics

About 700 million years ago, the Earth experienced unusual episodes of global cooling that geologists refer to as "Snowball Earth."

What will happen when our sun dies?

Scientists agree the sun will die in approximately 10 billion years, but they weren't sure what would happen next... until now.

Elon Musk says LA-area test tunnel almost complete (Update)

Billionaire Elon Musk says he's almost completed a tunnel under a Los Angeles suburb to test a novel transportation system that would scoot commuters underground on electric sleds called skates.


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