The nanofibers we produced are about 200 times thinner than cotton fibers. (a) Commercial sanitary napkins with fiber diameter ~30-40 micrometers; (b) Electrospun nanofiber-based prototype with fiber diameter ~ 200 nm. (Source: Yadav, Shital et al, Applied Materials Today,...
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Born to love superheroes

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Are we born to root for heroes? Researchers in Japan have evidence suggesting yes. Credit: Kyoto University We recognize justice before we can talk, reports a research team in Nature Human Behaviour. The Kyoto-based study demonstrates that human infants recognize heroic acts...
Hormone replacement therapies, or medications containing female hormones, may help cancer to spread. Credit: © Ivelin Radkov / Fotolia Hormone replacement therapies, or medications containing female hormones that substitute those no longer produced by the body, often are prescribed to reduce...
Iowa State University researchers, left to right, Metin Uz, Suprem Das, Surya Mallapragada and Jonathan Claussen are developing technologies to promote nerve regrowth. The monitor shows mesenchymal stem cells (the white) aligned along graphene circuits (the black). Credit: Photo by...
The vegetarian diet was found to be almost twice as effective in reducing body weight than the conventional diet. Credit: © Feng Yu / Fotolia Dieters who go vegetarian not only lose weight more effectively than those on conventional low-calorie diets...
One hour of physical activity per day could offset health risk of 8 hours of sitting. Image Credit: Flickr/Yuichi Sakuraba The health risks associated with sitting for eight or more hours a day - whether at work, home or commuting...
Adam Goldfarb, MD, (left) and Kamal Elagib, MBBS, PhD, examine the effects of flipping the "master switch" they discovered. One set of cells displays characteristics of infantile megakaryocytes, while the other displays characteristics of adult megakaryocytes. The ability to...
Every year as mosquito season arrives, so does West Nile virus, causing fever in thousands of people nationwide and life-threatening brain infections in an unlucky few. About half the people who survive that infection -- West Nile encephalitis --...
Legend of the image: left: notched raven bone from Zaskalnaya VI Neanderthal site, Crimea. center: experimental notching of a bird bone; right: sequences of experimentally made notches compared to those from Zaskalnaya VI. Credit: Francesco d'Errico; CCAL The cognitive abilities of...
Fresh fruits and vegetables. Credit: © Serghei Velusceac / Fotolia. Eating potassium-rich foods like sweet potatoes, avocados, spinach, beans, bananas -- and even coffee -- could be key to lowering blood pressure, according to Alicia McDonough, PhD, professor of cell and...
Using brain stimulation researchers could increase honest behavior. Credit: © christianchan / Fotolia Honesty plays a key role in social and economic life. Without honesty, promises are not kept, contracts are not enforced, taxes remain unpaid. Despite the importance of honesty...