Astronomy

Betelgeuse Betelgeuse? Bright star Betelgeuse likely has a 'Betelbuddy' stellar companion

One of the brightest stars in the night sky, Betelgeuse, may not be on the brink of exploding as a supernova, according to a new study of the star's brightening and dimming. Instead, recent research shows that the observed ...

Environment

Understanding the relationship between food waste, climate change and an aging population

Producing food and getting it to people's plates entails a significant expenditure of energy and resources. Unfortunately, approximately one third of all food produced globally is not consumed and discarded. Hence, to build ...

Snake research reveals insights into human intestinal regeneration

All animals possess some capacity for repairing and replacing the lining of their intestines, a process called intestinal regeneration. In mammals, including humans, this constant but relatively minor turnover of cells helps ...

How vitamin D deficiency can lead to autoimmune diseases

As Canadians brace for "vitamin D winter"—months when the sun's angle is too low to produce the vitamin in the skin—a McGill University study explains why vitamin D deficiency early in life is associated with a higher ...

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Medical Xpress

Tech Xplore

Artificial 'nose' can sniff out damaged fruit and spoiled meat

Although smell has historically played an important role in the fight against diseases such as the plague and tuberculosis, the human nose is generally not sensitive enough to be used as a reliable diagnostic tool. However, ...

What motivates people to take action to prevent crime?

When private citizens disrupt a criminal event or avert a potentially dangerous situation, they are termed guardians, and the concept of guardianship forms the foundation of various crime-prevention strategies. Although guardianship ...

Tracking vampire worms with machine learning

Blood samples of patients infected with a parasitic worm that causes schistosomiasis contain hidden information that marks different stages of the disease. In our recently published research, our team used machine learning ...

Protein chaperone takes its job seriously

For proteins, this would be the equivalent of the red-carpet treatment: each protein belonging to the complex machinery of ribosomes—components of the cell that produce proteins—has its own chaperone to guide it to the ...

Researchers engineer new thyroid cells

Researchers have discovered a new efficient way to generate thyroid cells, known as thyrocytes, using genetically modified embryonic stem cells.

Oil spill sullies river in Ecuador

A Petroecuador pipeline ruptured in Ecuador's Amazon basin region, spilling 10,000 barrels of crude into a river and alarming locals left without fresh well water, authorities said Monday.

World newspapers mull paywalls for survival

Global newspaper chiefs have some rare good news to share after years of slumping print sales and advertising revenues—readers appear increasingly willing to pay for online news.

Online advertising in US rises 16 pct in 1Q

New figures show Internet advertising in the U.S. is still growing at a robust clip as marketers pursue the growing online audience and data analysis helps to target their pitches at people most likely to buy their products ...

Solar plane flies toward Midwest after storms

A solar-powered aircraft piloted by a Swiss adventurer left Texas Monday for Missouri where it will use a "revolutionary" inflatable hangar to replace one damaged in last week's Midwest tornadoes.

NASA image: Tres Lagunas Fire, New Mexico

NASA's Aqua satellite captured an image of a large light-brown colored plume of smoke blowing east-southeast from the Tres Lagunas Fire burning in New Mexico. On June 3, the smoke is forecast to blow in a more northerly and ...

Research shows promise for reducing greenhouse gases

University of Calgary scientists are investigating how 'Alberta-grown' biomass – such as straw and wood left over from agricultural and forestry operations – could be used to clean up chemical contaminants in water from ...

Tiger moths: Mother Nature's fortune tellers

When it comes to saving its own hide, the tiger moth can predict the future. A new study by researchers at Wake Forest University shows Bertholdia trigona, a species of tiger moth found in the Arizona desert, can tell if ...

NASA image: Thompson Ridge Fire, New Mexico

NASA's Aqua satellite captured an image of a large light-brown colored plumes of smoke from two large fires burning in New Mexico: the Thompson Ridge Fire (left) and the Tres Lagunas Fire (right).