Translate AMICOR contents if you like

Sunday, February 13, 2022

3,070 AMICOR (24)

  AMICOR 3.070  

#Dra. Valderês A. Robinson Achutti (*13/06/1931+15/06/2021)

Comemorando Valentine's Day  (14/02)


                  1955                                                      2005

Sunday, February 13, 2022

Dear Nautilus Reader,

 

Is time real? When theoretical physicist Subodh Patil was a boy, his father teased him that the world was only 100 years old. Since then, Patil has been fascinated with time and determined to understand its origins—if, that is, it has origins.

 

That story, a look at a tricky math problem involving the area of a circle and square; a lively discussion between two acclaimed neuroscientists on consciousness, panpsychism, and the self; and more, in some of the most popular stories on Nautilus this week.

#NATURE

Female scientists: don’t wait to be perfect

“I have worked in some of the most male-dominated sectors you can work in,” says Pontsho Maruping, who started her career in mining and is now a deputy managing director at the South African Radio Astronomy Observatory. She offers detailed advice for up-and-coming women in African science and engineering. “When offered a chance to lead a new project, I tell young professionals to say ‘yes’,” she writes. “Women tend to want to be perfect first, but it’s the times when I’ve said yes to challenges that have provided the biggest opportunities to grow career-wise.”

Nature | 6 min read
#LiveScience

Mysteries of Stephen Hawking's doodle-filled blackboard may finally be solved
(Isidora Bojovic/Science Museum Group)
A new museum exhibit hopes to uncover the secrets behind the doodles, in-jokes and coded messages on a blackboard that legendary physicist Stephen Hawking kept untouched for more than 35 years.

The blackboard dates from 1980, when Hawking joined fellow physicists at a conference on superspace and supergravity at the University of Cambridge in the U.K., according to The Guardian. While attempting to come up with a cosmological "theory of everything" — a set of equations that would combine the rules of general relativity and quantum mechanics — Hawking's colleagues used the blackboard as a welcome distraction, filling it with a mishmash of half-finished equations, perplexing puns and inscrutable doodles.

 Full Story: Live Science (2/13) 
#Hoje, 15/02/2022 Completam-se 8 meses que Valderês partiu, e também 111 anos que nossa mãe Luiza Cechella Achutti nasceu.


#FamilySearch
RootsTech 2022, a maior conferência de genealogia e história da família do mundo de 3-5 março, 2022 recebe a Thaís Pacholeck como palestrante convidada do Brasil! 100% virtual, 100% gratuito./../

#Falecimento

#MedPage Today
A computer rendering of the human heart in white with the aortic valve highlighted in pink.

A blood biomarker may identify individuals with asymptomatic non-severe aortic stenosis (AS) who can benefit from more frequent check-ups, as well as those who can safely defer care, a study suggested.

People who had N-terminal pro-brain natriuretic peptide (NT-proBNP) levels checked at year 1 in the old SEAS study had varying rates of aortic valve events (AVEs) -- a composite of aortic valve replacement, cardiovascular death, or incident heart failure due to AS progression -- over the next 2 years depending on AS severity and adjusted NT-proBNP:

  • Mild AS and normal NT-proBNP: 1.39 per 100 patient-years
  • Mild AS and increased NT-proBNP: 7.05 per 100 patient-years
  • Moderate AS and normal NT-proBNP: 10.38 per 100 patient-years
  • Moderate AS and increased NT-proBNP: 26.20 per 100 patient-years/.../
#
My Bookmarks

MACHINE LEARNING | ALL TOPICS

 

Machine Learning Becomes a Mathematical Collaborator

By KELSEY HOUSTON-EDWARDS

Two recent collaborations between mathematicians and DeepMind demonstrate the potential of machine learning to help researchers generate new mathematical conjectures.

Read the article

PARTICLE PHYSICS

 

The Mysterious Forces Inside the Nucleus Grow a Little Less Strange

By CHARLIE WOOD

The strong force holds protons and neutrons together, but the theory behind it is largely inscrutable. Two new approaches show how it works.

Read the article


Related: 
What Goes On in a Proton? Quark Math
Still Conflicts With Experiments.

by Charlie Wood (2020)

SEX

 

A Billion Years Before Sex, Ancient Cells Were Equipped for It 

By JAKE BUEHLER

Molecular detective work is zeroing in on the origins of sexual reproduction. The protein tools for cell mergers seem to have long predated sex — so what were they doing?

Read the article


Related:
Why Sex? Biologists Find
New Explanations.

by Christie Wilcox (2020)

NEURAL NETWORKS

 

AI Overcomes Stumbling Block on Brain-Inspired Hardware

By ALLISON WHITTEN

The biggest neural networks consume nearly as much power as five cars do over their lifetimes. New work may help bring the brain’s energy-efficient computing to AI.

Read the blog

Related:
To Be Energy-Efficient, Brains
Predict Their Perceptions

by Anil Ananthaswamy (2021)

QUANTA SCIENCE PODCAST

 

Mathematicians Outwit Hidden Number Conspiracy

Podcast hosted by SUSAN VALOT;
Story by JORDANA CEPELEWICZ

Decades ago, a mathematician posed a warmup problem for some of the most difficult questions about prime numbers. It turned out to be just as difficult to solve, until now.

Listen to the podcast

Read the article

Around the Web

Narrowing a Massive Mystery
A new measurement of the neutrino’s mass places the tightest bound yet on its upper limit, at just 0.8 eV. Davide Castelvecchi reports for Nature on the newest result from the KATRIN collaboration. Figuring out the mass of the neutrino could help solve big mysteries about the Standard Model of particle physics. The KATRIN experiment is trying to do just that, Marcus Woo wrote for Quanta in 2019.

Putting the Art in Artificial Intelligence
Researchers are using AI for creative tasks like painting and composing original music, reports Richard Moss for Science News. Some think that injecting creativity into AI algorithms will be the key steppingstone to building truly intelligent machines. For an algorithm’s solutions to be creative and open-ended, the problems must be open-ended, too. Matthew Hutson wrote about it for Quanta in 2019.



Wednesday, February 09, 2022

3.069 AMICOR

  AMICOR 3.069  

#Dra. Valderês A. Robinson Achutti (*13/06/1931+15/06/2021)

Um pouco mais nos jardins do Monnet e suas flores...

#ScienceNews

Here are the Top 10 science anniversaries of 2022

Insulin to treat diabetes, the slide rule and the birthdays of Gregor Mendel and Louis Pasteur make the list

In 1622, priest and part-time mathematician William Oughtred invented the slide rule. 

IHOE/E+/GETTY IMAGES PLUS

How we got from Gregor Mendel’s pea plants to modern genetics

Philosopher Yafeng Shan explains how today's understanding of inheritance emerged from a muddle of ideas

In 1900, Gregor Mendel’s experiments on pea plants were introduced into the study of heredity.

The study of human heredity got its start in insane asylums

‘Genetics in the Madhouse’ chronicles the early days of the science

INHERIT THE DATA  King George III’s descent into madness sparked efforts to untangle the inheritance of mental illness by analyzing patient records at insane asylums (London’s Bethlem Hospital is shown in this 1735 illustration). A new book discusses how big data and statistics long dominated the study of human heredity.

WILLIAM HOGARTH/WIKIMEDIA COMMONS

Earth may have 9,200 more tree species than previously thought

More than a third are probably hiding out in South America, researchers say

Earth may be home to around 73,000 different kinds of trees, new research suggests. Many undetected tree species are probably hiding out in the Amazon (shown) and other biodiversity hot spots in South America, researchers say.

RICARDO LIMA/MOMENT/GETTY IMAGES PLUS

The heart of the Milky Way looks like contemporary art in this new radio image

Wispy filaments accent the brightest spot, supermassive black hole Sagittarius A*

The MeerKAT telescope array in South Africa provided this image of radio emissions from the center of the Milky Way. Stronger radio signals are shown in red and orange false color. Fainter zones are colored in gray scale, with darker shades indicating stronger emissions. I. HEYWOOD/SARAO

#FOLHA DE sp

Crianças que desenvolveram a síndrome inflamatória multissistêmica pediátrica (SIM-P) em razão da Covid-19 continuam com alterações nos vasos sanguíneos que nutrem o músculo do coração seis meses após a alta hospitalar. Mas não apresentam sintomas, como cansaço, o que pode deixar o quadro passar despercebido pela família e pelos médicos./.../

#WHO 

Guideline self-care interventions: health and well-being

Overview 
Self-care interventions are among the most promising and exciting new approaches to improve health and well-being, both from a health systems perspective and for people who use these interventions.
The World Health Organization (WHO) uses the following working definition of self-care: Self-care is the ability of individuals, families and communities to promote health, prevent disease, maintain health, and cope with illness and disability with or without the support of a health worker. The scope of self-care as described in this definition includes health promotion; disease prevention and control; self-medication; providing care to dependent persons; seeking hospital/specialist/primary care if necessary; and rehabilitation, including palliative care. It includes a range of self-care modes and approaches. While this is a broad definition that includes many activities, it is important for health policy to recognize the importance of self-care, especially where it intersects with health systems and health professionals. Worldwide, an estimated shortage of 18 million health workers is anticipated by 2030, a record 130 million people are currently in need of humanitarian assistance, and disease outbreaks are a constant global threat. At least 400 million people worldwide lack access to the most essential health services, and every year 100 million people are plunged into poverty because they have to pay for health care out of their own pockets. There is an urgent need to find innovative strategies that go beyond the conventional health sector response./.../

#SBC

II Diretrizes em cardiogeriatria da Sociedade Brasileira de Cardiologia
Paper Thumbnail
Author Photo Gilson Feitosa
2010, Arquivos Brasileiros …
484 Views 
View PDF ▸ Download PDF ⬇


#UFRGS

#
My Bookmarks

QUANTUM PHYSICS | ALL TOPICS

 

Quantum Complexity Tamed by Machine Learning

By CHARLIE WOOD

If scientists understood exactly how electrons act in molecules, they could predict the behavior of everything from experimental drugs to high-temperature superconductors. Following decades of physics-based insights, artificial intelligence systems are taking the next leap.

Read the article

NEUROSCIENCE

 

New Map of Meaning in the Brain Changes Ideas About Memory

By JORDANA CEPELEWICZ

Researchers have mapped hundreds of semantic categories to the tiny bits of the cortex that represent them in our thoughts and perceptions. What they discovered might change our view of memory.

Read the article

Related: 
Neural Noise Shows the
Uncertainty of Our Memories

by Veronique Greenwood

GEOMETRY

 

An Ancient Geometry Problem Falls to New Techniques

By STEVE NADIS

Three mathematicians show, for the first time, how to form a square with the same area as a circle by cutting the figures into interchangeable pieces that can be visualized.

Read the explainer

Related: 
In Mathematics, It Often Takes a Good Map to Find Answers
by Kevin Hartnett (2020)

ARTIFICIAL INTELLIGENCE

 

Computer Scientists Prove Why Bigger Neural Networks Do Better

By MORDECHAI RORVIG

Two researchers show that for neural networks to be able to remember better, they need far more parameters than previously thought.

Read the blog

Related: 
Researchers Build AI That Builds AI
by Anil Ananthaswamy

Around the Web

Earth's Inner Secrets
Earth’s solid inner core might be far more exotic than geophysicists had thought. For Science News, Emily Conover reports on new evidence that the innermost core is “superionic.” The superionic phase of matter has previously been studied in water. Planetary scientists suspect that superionic ice might compose the bulk of large, icy worlds like Uranus and Neptune, Joshua Sokol reported for Quanta in 2019.



100 Years of Quantum Spin
A century ago Otto Stern and Walther Gerlach performed an experiment that proved the existence of quantum spin, as Davide Castelvecchi describes for Scientific American on the centennial of the Stern-Gerlach experiment. Even after 100 years, we’re still trying to understand the implications of Stern-Gerlach and other quantum experiments. Sean Carroll wrote for Quanta in 2019 about various interpretations of quantum mechanics, including the Many Worlds hypothesis.

#Aeon Magazine

Join our newsletter


Slow sex, long lifeTokyo’s imperial archives advise what science now confirms: the secret of longevity lies in the gentle arts of the bedroomby Denis Noble
#MEDIUM

There are ~400 billion stars in the Milky Way, and ~2 trillion galaxies in the visible Universe. But what if we aren’t typical?


#NOEMA

‘Cultural Optimism’ Drives China Upward And Onward

To peer into China’s near future, America need only remember its recent past.

BY NATHAN GARDELSFEBRUARY 11, 2022

Sanho Kim for Noema Magazine#NAUTILUS