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Daily low-dose aspirin found to have no effect on healthy life span in older people

In a large clinical trial to determine the risks and benefits of daily low-dose aspirin in healthy older adults without previous cardiovascular events, aspirin did not prolong healthy, independent living (life free of dementia or persistent physical disability). Risk of dying from a range of causes, including cancer and heart disease. ASPREE is an international,…

BPA replacements in plastics cause reproductive problems in lab mice

  Twenty years ago, researchers made the accidental discovery that the now infamous plastics ingredient known as bisphenol A or BPA had inadvertently leached out of plastic cages used to house female mice in the lab, causing a sudden increase in chromosomally abnormal eggs in the animals. Now, that the array of alternative bisphenols now…

New color-generation mechanism discovered in ‘rainbow’ weevil

Researchers from Yale-NUS College and the University of Fribourg in Switzerland have discovered a novel colour-generation mechanism in nature, which if harnessed, has the potential to create cosmetics and paints with purer and more vivid hues, screen displays that project the same true image when viewed from any angle, and even reduce the signal loss…

We may hear others’ footsteps, but how do we ignore our own?

A team of scientists has uncovered the neural processes mice use to ignore their own footsteps, a discovery that offers new insights into how we learn to speak and play music. “The ability to ignore one’s own footsteps requires the brain to store and recall memories and to make some pretty stellar computations,” explains David…

DNA of early medieval Alemannic warriors and their entourage decoded

  In 1962, an Alemannic burial site containing human skeletal remains was discovered in Niederstotzingen (Baden-W├╝rttemberg, Germany). and at the Max Planck Institute for the Science of Human History in Jena, Germany, have now examined the DNA of these skeletal remains. This has enabled them to determine not only the sex and the degree of…

Falling stars hold clue for understanding dying stars

An international team of researchers has proposed a new method to investigate the inner workings of supernovae explosions. This new method uses meteorites and is unique in that it can determine the contribution from electron anti-neutrinos, enigmatic particles which can’t be tracked through other means. Supernovae are important events in the evolution of stars and…

Why we stick to false beliefs: Feedback trumps hard evidence

Ever wonder why flat earthers, birthers, climate change and Holocaust deniers stick to their beliefs in the face of overwhelming evidence to the contrary? Developmental psychologists have found that people’s beliefs are more likely to be reinforced by the positive or negative reactions they receive in response to an opinion, task or interaction, than by…

Artificial cells are tiny bacteria fighters

“Lego block” artificial cells that can kill bacteria have been created by researchers at the University of California. “We engineered artificial cells from the bottom-up — like Lego blocks — to destroy bacteria,” The cells are built from liposomes, or bubbles with a cell-like lipid membrane, and purified cellular components including proteins, DNA and metabolites….

Human genome could contain up to 20 percent fewer genes, researchers reveal

A new study reveals that up to 20% of genes classified as coding (those that produce the proteins that are the building blocks of all living things) may not be coding after all because they have characteristics that are typical of non-coding or pseudogenes (obsolete coding genes). The consequent reduction in the size of the…

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