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Could our reaction to an image of an overweight or obese person affect how we perceive odor? A trio of researchers says yes. The researchers discovered that visual cues associated with overweight or obese people can influence one’s sense of smell, and that the perceiver’s body mass index matters, too. Participants with higher BMI tended to be more critical of heavier people, with higher-BMI participants giving scents a lower rating when scent samples were matched with an obese or overweight individual.
What does hair styling have in common with quantum computing? The braiding pattern has inspired scientists as a potential new approach to quantum calculation. But due to their tight assembly, such braids are much more difficult to destabilize and less error-prone. Yet, local defects can still arise along nanowires. A new study identifies potential sources of computer errors arising from these defects.
The kidney continuously filters the blood and excretes waste products into the urine. This is achieved by a complex system of tubules which transports the urine and regulates its composition. Researchers have now discovered a novel molecular signaling pathway and show how parts of these kidney tubules establish an inner space and form a tight barrier against adjacent structures.
Researchers have succeeded in generating cells of the immune system to specifically target and destroy cancer cells. The immune system of the body is trained to distinguish between “foreign” and “self” and to recognize and destroy exogenous structures. In cancer, however, the immune system appears to be quite docile in its response. While it is capable of detecting cancer cells because they often bear characteristics (antigens) on their surfaces that identify them as pathologically altered cells, usually the immune system does not mount an attack but rather tolerates them.
Hollywood has given moviegoers many classic portrayals of grumpy old men. But new research suggests that getting older doesn’t necessarily make people cynical and suspicious. Instead, trust tends to increase as people age, a development that can be beneficial for well-being, according to two new large-scale studies.
A court ruling about Actavis’s strategy to switch consumers from its top-selling dementia drug, which will lose patent protection this sumer, to a newer, patent-protected drug, may define how far drugmakers can go to protect profits from generic rivals.