4,020 articles mezi dny 1.12.2019 a 31.12.2019
Unearthing the mystery of the meaning of Easter Island's Moai
- ScienceDaily
- 19/12/13 20:33
Based on a 5-year excavation of two Moai found within the Easter Island quarry called Rano Raraku, the Easter Island Statue Project released the first definitive study to reveal the quarry as a complex landscape and link soil fertility, agriculture, quarrying and the sacred nature of the Moai. Chemistry testing suggests the soil in the quarry itself was made more fertile by the act of quarrying,...
Why are giant pandas born so tiny?
- ScienceDaily
- 19/12/13 20:24
Born pink, blind, and helpless, giant pandas typically weigh about 100 grams at birth -- the equivalent of a stick of butter. Their mothers are 900 times more massive than that. That raises a question that has vexed biologists: why the disparity? No one knows the answer, but by comparing bone growth across newborn bears, dogs and other animals, scientists find that one idea doesn't hold up.
Growing carbon nanotubes with the right twist
- ScienceDaily
- 19/12/13 20:24
Researchers synthetize nanotubes with a specific structure expanding previous theories on carbon nanotube growth.
Paving the way to healing complex trauma
- ScienceDaily
- 19/12/13 20:24
A major study has identified key themes that will be used to inform strategies to support Aboriginal and Torres Strait Islander parents in the first years of their children's lives.
Nanoscience breakthrough: Probing particles smaller than a billionth of a meter
- ScienceDaily
- 19/12/13 20:24
Scientists developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and application of minuscule materials in the fields of electronics, biomedicine, chemistry, and more.
Nanoscience breakthrough: Probing particles smaller than a billionth of a meter
Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and application of minuscule materials in the fields of electronics, biomedicine, chemistry, and more.
The week in wildlife - in pictures
The pick of the best flora and fauna photos from around the world, from an illuminated giraffe to an elusive southern elephant seal Continue reading...
The Annual Geminid Meteor Shower Peaks This Weekend. Here’s How to See it
The Geminid meteor shower is one of the most visible atmospheric phenomenons that occur every year.
The shower is expected to peak late tonight into the midnight hours. During peak hours, 120 meteors per can possibly be seen. Here is everything you need to know about the solar activity.
What is the Geminids Meteor Shower?
According to the American Meteor Society, the Geminid meteor shower is...
Leaving home is beneficial for male squirrels but not for females, study shows
In the world of squirrels, moving away from your home turf has better outcomes for males than for females, according to a new study by University of Alberta ecologists.
Waiting area entertainment and co-opetition between brick-and-mortar stores boosts profit
With the popularity of online shopping, it's no secret brick-and-mortar stores are fighting to stay relevant. Waiting area entertainment is one way they are standing out, because no one likes to wait. New research in the INFORMS journal Manufacturing & Service Operations Management says funding entertainment is no easy task, but one way to offset the price and increase customer experience and...
Study leads to new approach to trapping light in photonic kagome crystals
A new approach to trapping light in artificial photonic materials by a City College of New York-led team could lead to a tremendous boost in the transfer speed of data online.
Leaving home is beneficial for male squirrels but not for females, study shows
- ScienceDaily
- 19/12/13 18:49
In the world of squirrels, moving away from your home turf has better outcomes for males than for females, according to a new study.
How a protein in your brain could protect against Alzheimer's disease
- ScienceDaily
- 19/12/13 18:49
Research shows that white blood cells in the human brain are regulated by a protein called CD33--a finding with important implications in the fight against Alzheimer's disease, according to a new study.
Taking shape: Scientists propose new structure for shell of HIV-1 virus
- ScienceDaily
- 19/12/13 18:49
The matrix shell of the HIV-1 virus may have a different shape than previously thought, and a newly proposed model has significant implications for understanding how the virus functions.
New measures to treat mental illness and opioid use
- ScienceDaily
- 19/12/13 18:49
Opioid use among psychiatric hospital patients needs to be addressed through an integrated approach to managing mental illness, pain and substance use, a new study has found.
Colliding molecules and antiparticles
- ScienceDaily
- 19/12/13 18:35
A new theoretical study of the interaction between positrons and simple tetrahedral and octahedral molecules agrees with experimental work and could have useful implications for PET scanning techniques.
Waiting area entertainment and co-opetition between brick-and-mortar stores boosts profit
- ScienceDaily
- 19/12/13 18:35
With the popularity of online shopping, it's no secret brick-and-mortar stores are fighting to stay relevant. Waiting area entertainment is one way they are standing out, because no one likes to wait. New research says funding entertainment is no easy task, but one way to offset the price and increase customer experience and revenue is to work with, not against competitors.
New photonics breakthrough
- ScienceDaily
- 19/12/13 18:35
A new approach to trapping light in artificial photonic materials could lead to a tremendous boost in the transfer speed of data online.
As California thins forests to limit fire risk, some resist
Buzzing chainsaws are interrupted by the frequent crash of breaking branches as crews fell towering trees and clear tangled brush in the densely forested Santa Cruz Mountains south of San Francisco.
Bloodhound car has 800mph target in its sights for 2021
Test data indicates a land speed record should be achievable, says the project's chief engineer.
Colliding molecules and antiparticles
Antiparticles—subatomic particles that have exactly opposite properties to those that make up everyday matter—may seem like a concept out of science fiction, but they are real, and the study of matter-antimatter interactions has important medical and technological applications. Marcos Barp and Felipe Arretche from the Universidade Federal de Santa Catarina, Brazil have modelled the interaction...
Newfound Martian aurora actually the most common; sheds light on Mars' changing climate
A type of Martian aurora first identified by NASA's MAVEN spacecraft in 2016 is actually the most common form of aurora occurring on the Red Planet, according to new results from the mission. The aurora is known as a proton aurora and can help scientists track water loss from Mars' atmosphere.
Better studying superconductivity in single-layer graphene
Made up of 2-D sheets of carbon atoms arranged in honeycomb lattices, graphene has been intensively studied in recent years. As well as the material's diverse structural properties, physicists have paid particular attention to the intriguing dynamics of the charge carriers its many variants can contain. The mathematical techniques used to study these physical processes have proved useful so far,...
Bone bandage soaks up pro-healing biochemical to accelerate repair
Researchers at Duke University have engineered a bandage that captures and holds a pro-healing molecule at the site of a bone break to accelerate and improve the natural healing process.
Researchers create synthetic nanopores made from DNA
In 2015, the first commercial nanopore DNA sequencing device was introduced by Oxford Nanopore Technologies. Based on a synthetically engineered transmembrane protein, nanopore sequencing allows long DNA strands to be channelled through the central lumen of the pore where changes in the ionic current work as a sensor of the individual bases in the DNA. This technique was a key milestone for DNA...