Study finds evidence of ancient breeding of scarlet macaws
People were breeding scarlet macaws (Ara macao) in, what is today, New Mexico in the 1100s, according to examination of eggshell found at the Old Town archaeological site. The paper is published in the journal PNAS Nexus......»»
Ancient unicellular organism indicates embryonic development might have existed prior to animals" evolution
Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before the appearance of the first animals......»»
Gray squirrel control: Study shows promise for effective contraceptive delivery system
A study published in the journal Pest Management Science sheds light on the behavior of gray squirrels (Sciurus carolinensis) and explores methods for the targeted delivery of oral contraceptives to control their populations......»»
Employers hold sway in immigration bureaucracy
Prioritizing unique and more educated applicants for temporary work visas, employers play a central but understudied role in the U.S. immigration bureaucracy, with implications for careers and American innovation, new Cornell research finds......»»
Coyotes are thriving despite human and predator pressures, large-scale study finds
Research led by the University of New Hampshire sheds light on how coyotes, North America's most successful predators, are responding to various environmental pressures, including human development, hunting and competition with larger carnivores. Sur.....»»
Climate change is contributing to drought in the American West even without rainfall deficits, scientists find
Higher temperatures caused by anthropogenic climate change made an ordinary drought into an exceptional drought that parched the American West from 2020–2022. A study by UCLA and National Oceanic and Atmospheric Administration climate scientists ha.....»»
Pathogens that cling to microplastics may survive wastewater treatment
Wastewater treatment fails to kill several human pathogens when they hide out on microplastics in the water, reports a study led by Ingun Lund Witsø of the Norwegian University of Life Sciences, published November 6, 2024 in the open-access journal.....»»
Grocery stores are more reliable than sushi restaurants in labeling salmon properly, Seattle study finds
In a study of salmon samples from Seattle, Washington, grocery stores and sushi restaurants, DNA analysis revealed that 18% were mislabeled. Tracie Delgado and colleagues at Seattle Pacific University, WA, U.S., present these findings in the open-acc.....»»
Soundtracks in toy ads shape gender stereotypes, study suggests
A study from Queen Mary University of London reveals that the music and soundscapes used in toy commercials are reinforcing rigid gender norms, shaping the way children perceive masculinity and femininity. The research uncovers how gender stereotypes.....»»
The high cost of complexity: New study explores energy needs of multicellular life
Between 1.8 billion and 800 million years ago, earthly life was in the doldrums. During this period, called the "boring billion," the complexity of life remained minimal, dominated by single-celled organisms with only sporadic ventures into multicell.....»»
More families purchased school meals after federal nutrition policies enacted, research suggests
Families purchased more school lunches and breakfasts the year after the federal government toughened nutritional standards for school meals. A new University of California, Davis, study suggests that families turned to school lunches after the Obama.....»»
Public pressure found to influence whether companies reduce their environmental impact
The effectiveness of national voluntary programs asking companies to pledge to lower their pollution and greenhouse gas emissions depends on pressure from the public, according to a new study led by a Penn State researcher......»»
Vampire bats" metabolism mirrors that of blood-sucking insects, biologists find
A pair of biologists at the University of Toronto has found that vampire bats are able to burn amino acids as a fuel source similarly to blood-sucking insects. In their study published in the journal Biology Letters, Giulia Rossi and Kenneth Welch co.....»»
The fake election bomb threats caused chaos online—it"s a perfect breeding ground for conspiracies
In the 2020 US elections, Joe Biden's win against Donald Trump prompted the Trump campaign to file more than 60 lawsuits challenging the result, mostly focusing on swing states......»»
Multi-country study finds significant differences in how poverty is passed from parents to children
Researchers from Stockholm University, Bocconi University, and the Rockwool Foundation have studied poverty's lasting impact across generations in wealthy countries. By examining the United States, Denmark, the United Kingdom, Australia, and Germany,.....»»
Ultrasensitive nanoscale sensors can identify lung cancer through exhaled isoprene
Exhaled breath contains chemical clues to what's going on inside the body, including diseases like lung cancer. And devising ways to sense these compounds could help doctors provide early diagnoses—and improve patients' prospects. In a study in ACS.....»»
Are these tiny insects the world"s laziest bugs?
At less than 3mm long, you may not think Dunatothrips aneurae seem like much. And—as I have shown in a new study published in the Journal of Animal Ecology—you'd be absolutely right. That's because these may be the world's laziest insects......»»
Study assesses "gendered space" in financial institutions in Pakistan
In Islamic cultures, purdah, which literally means "curtain," is a practice that involves the seclusion of women from public observation and the enforcement of high standards of female modesty. Research published in the Journal of Management Studies.....»»
Study shows commercial ties influence ESG ratings and highlights need for regulation
An analysis published in the Journal of Accounting Research uncovers evidence that conflicts of interest arising from commercial ties lead to bias in environmental, social, and governance (ESG) ratings......»»
Washington coast avian flu outbreak devastated Caspian terns, jumped to seals
An epidemiological study found that 56% of a large breeding colony of Caspian terns died from a 2023 outbreak of highly pathogenic avian influenza at Rat Island in Washington state. Since then, no birds have successfully bred on the island, raising c.....»»
Firms that read more perform better: Researchers analyze online reading habits from employees across firms worldwide
By analyzing online reading behavior across millions of firms worldwide, a new study out of the Complexity Science Hub (CSH) connects how much information companies consume and how the consumption relates to their size......»»