Biology

United Arab Emirates (UAE) Flight Engineer Sultan Alneyadi poses for a selfie while taking photos of Earth from the International Space Station. Credit: NASAOn the <span class="glossaryLink" aria-describedby="tt" data-cmtooltip="<div class=glossaryItemTitle>International Space Station</div><div class=glossaryItemBody>The International Space Station (ISS) is a large spacecraft in orbit around the Earth that serves as a research laboratory and spaceport for international…

Tulika Bose: Hey there, Science, Quickly listeners. I’m Tulika Bose, Scientific American’s senior multimedia editor. Today we're bringing you something we're sure you'll like...a new episode from our podcast partners...the Lost Women of Science. Their fabulous show recounts the remarkable stories of groundbreaking women who never got the full recognition they deserved – until now. Today, they've brought us a fascinating story of a secret anatomist. Alessandra Giliani lived in the 14th century. That was 500 years before…

Next, they got patients from a hair transplant clinic to donate follicles, then grafted those healthy hairs onto mice. Follicles normally undergo a sort of shock after a transplant, going dormant for a couple months. Plikus suspected that osteopontin could rouse the grafted follicles faster. Thirty days after grafting, some of these mice received osteopontin injections. Twenty days later, only those mice had sprouted human hair.So far, the lab’s new paper has been well received—at least when it comes to the conclusions…

In recent weeks, three closely watched FDA decisions came in positive for the companies—followed by their stocks going negative. In recent weeks, three closely watched FDA decisions came in positive for the companies—followed by their stocks going negative. FOLLOW US ON GOOGLE NEWS Read original article here Denial of responsibility! Techno Blender is an automatic aggregator of the all world’s media. In each content, the hyperlink to the primary source is specified. All trademarks belong to their rightful…

Researchers have discovered that a cell’s nucleus is metabolically active, with cellular enzymes moving to protect DNA integrity upon damage. This shift in understanding of cellular metabolism can inform new strategies in cancer treatment, as cancer cells often hijack metabolic processes for their growth.In crisis, the nucleus calls antioxidant enzymes to the rescue. The nucleus being metabolically active is a profound paradigm shift with implications for cancer research.The human nucleus is metabolically active,…

They then administered a single low dose of klotho under each monkey’s skin, raising levels of the protein to those normally present in the animals at birth. Four hours later, researchers had them complete the food-finding task in batches of 20 trials, and the team then retested the monkeys over the next two weeks. Overall, the animals made correct choices more often than they did before receiving the injection. The team tested monkeys on two versions of the task: an easier one, where there were fewer compartments to…

In 2008, a fruit fly known as the spotted-wing drosophila made its way from Southeast Asia to the continental US, likely hitching a ride on fruit shipments. First detected in California raspberry fields, the insect rapidly spread to other states.Unlike the common fruit fly, which is attracted to rotting food, spotted-wing drosophila prefers ripening, healthy fruit. Using a serrated, tubelike organ, the females slice through fruit skin and deposit their eggs inside. When the eggs hatch, the emerging larvae destroy the…

Lauren Goode: So it's not at the point yet where you have a control group of say Great Danes or rottweilers, and one group is on the drugs and they've lived longer, and another group is not on the drugs or they're using a placebo and they had shorter lives. It's that you're looking at specific biomarkers around health span, and so far, some of the evidence is suggesting that there's greater health or anti-aging in the dogs that are on the drugs?Celine Halioua: Yeah. I wouldn't call it anti-aging. I would call it, we've…

Human olfactory receptors belong to an enormous family of proteins known as G-protein-coupled receptors (GPCRs). Situated within cell membranes, these proteins contribute to a vast array of physiological processes by detecting all kinds of stimuli, from light to hormones.Over the past two decades, researchers have determined detailed structures for an ever-expanding number of GPCRs—but not for the olfactory receptors among them. To get enough receptors for these studies, researchers must produce them in cultured cells.…

This story originally appeared in Hakai Magazine and is part of the Climate Desk collaboration.In the Fram Strait off Greenland’s west coast, Véronique Merten encountered the foot soldiers of an invasion.Merten was studying the region’s biodiversity using environmental DNA, a method that allows scientists to figure out which species are living nearby by sampling the tiny pieces of genetic material they shed, like scales, skin, and poop. And here, in a stretch of the Arctic Ocean 400 kilometers north of where they’d ever…