Earth
WASHINGTON (Jan. 21, 2020) -- Maternal depression in the postpartum period, and even beyond, is associated with the development of atopic dermatitis (AD) throughout childhood and adolescence, according to a recent study published in the journal Dermatitis.
AD is a chronic, inflammatory skin disease typically characterized by itch, pain, and sleep disturbance. It has also been strongly linked to a number of mental health disorders, such as depression, anxiety, and suicidal ideation.
Without their keen sense of smell, mosquitoes wouldn't get very far. They rely on this sense to find a host to bite and spots to lay eggs.
And without that sense of smell, mosquitoes could not locate their dominant source of food: nectar from flowers.
"Nectar is an important source of food for all mosquitoes," said Jeffrey Riffell, a professor of biology at the University of Washington. "For male mosquitoes, nectar is their only food source, and female mosquitoes feed on nectar for all but a few days of their lives."
BELLINGHAM, Washington, USA, and CARDIFF, UK - Recent advances in computer graphics are making it possible to create computer-generated (CG) representations of human beings that are difficult to distinguish from their real-world counterparts.
Fires started by people have steadily increased in recent decades, sparking a major shift in U.S. wildfire norms, according to a new CU Boulder-led study.
At a national scale, fires are broadly becoming larger and more frequent with fire season lengths extending over time. At the same time, wildfires started by people are more frequent, smaller, less hot and occur over longer seasons than fires started by lightning.
LA JOLLA--(January 21, 2020) People with osteoarthritis, or "wear and tear" arthritis, have limited treatment options: pain relievers or joint replacement surgery. Now, Salk researchers have discovered that a powerful combination of two experimental drugs reverses the cellular and molecular signs of osteoarthritis in rats as well as in isolated human cartilage cells. Their results were published in the journal Protein & Cell on January 16, 2020.
Reno, Nev. - Using a 22-year dataset of plant-caterpillar-parasitoid interactions collected within a patch of protected Costa Rican lowland Caribbean forest, scientists report declines in caterpillar and parasitoid diversity and density that are paralleled by losses in an important ecosystem service: biocontrol of herbivores by parasitoids.
The study by University of Nevada, Reno researchers, published in Scientific Reports this week, reveals distressing declines among common caterpillar genera and the ecosystem services provided by their natural enemies.
The Japanese art of origami (from ori, folding, and kami, paper) transforms flat sheets of paper into complex sculptures. Variations include kirigami (from kiri, to cut), a version of origami that allows materials to be cut and reconnected using tape or glue.
But while both art forms are a source of ideas for science, architecture, and design, each has fundamental limitations. The flat folds required by origami result in an unlockable overall structure, while kirigami creations can't be unfolded back into their original, flattened states because of the adhesive.
Cyberbullying had the impact of amplifying symptoms of depression and post-traumatic stress disorder in young people who were inpatients at an adolescent psychiatric hospital, according to a new study published in the Journal of Clinical Psychiatry. The study addressed both the prevalence and factors related to cyberbullying in adolescent inpatients.
Scientists have discovered that a non-invasive technique which could one day be used to treat Parkinson's disease, can successfully target a highly specific group of brain cells which play a key role in development of the condition.
In 2015, scientists demonstrated that a form of gene therapy could target and stimulate a group of nerve cells affected by the disease, called cholinergic neurons. These cells degenerate as the disease progresses.
DURHAM, N.C. -- In chimpanzee society, males spend their entire lives in the group where they were born, cooperating to defend their territory, while females tend to move away. But some chimp females seem less willing to cut the apron strings.
New findings from researchers at Duke University and North Carolina State University show that female chimpanzees with high-ranking mothers are more likely to be homebodies.
Limiting global warming to well below 2°C requires a decarbonized world by 2050 at the latest and a corresponding global transformation of the energy and land use systems of societies across the world. To achieve this goal of net-zero carbon by 2050 emissions need to be cut by half every decade from now on. An interdisciplinary team of researchers now explored tipping mechanisms that have the potential to spark rapid yet constructive societal changes towards climate stabilization and overall sustainability.
They might not yet speak in complete sentences, but 18-month-olds are savvy when it comes to deciding when and how to try.
A new study in the journal Nature Sustainability overturns long-held interpretations of the role humans played in shaping the American landscape before European colonization. The findings give new insight into the rationale and approaches for managing some of the most biodiverse landscapes in the eastern U.S.
A scientific paper published in 1985 was the first to report a burgeoning hole in Earth's stratospheric ozone over Antarctica. Scientists determined the cause to be ozone-depleting substances - long-lived artificial halogen compounds. Although the ozone-destroying effects of these substances are now widely understood, there has been little research into their broader climate impacts.
Killing and eating of potential competitors, also known as intraguild predation, is a rare event that occurs only in specific situations such as severe scarcity of food resources, resulting in the competition between predators.