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Monday, 25 February 2019

Scientists eavesdrop on DNA synthesizer to steal genetic blueprint

During the DNA synthesis process in a laboratory, recordings can be made of the subtle, telltale noises made by synthesis machines. And those captured sounds can be used to reverse-engineer valuable, custom-designed genetic materials used in pharmaceuticals, agriculture and other bioengineering fields.

* This article was originally published here

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Brain scans reveal how people understand objects in our world

What's an s-shaped animal with scales and no legs? What has big ears, a trunk and tusks? What goes 'woof' and chases cats? The brain's ability to reconstruct facts – "a snake," "an elephant' and "a dog" – from clues has been observed using brain scanning by researchers at Aalto university. Their study was published today in Nature Communications.

* This article was originally published here

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A prosthetic that restores the sense of where your hand is

Researchers have developed a next-generation bionic hand that allows amputees to regain their proprioception. The results of the study, which have been published in Science Robotics, are the culmination of ten years of robotics research.

* This article was originally published here

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Finding keyholes in metals 3-D printing

Additive manufacturing's promise to revolutionize industry is constrained by a widespread problem: tiny gas pockets in the final product, which can lead to cracks and other failures.

* This article was originally published here

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Researchers use computer vision to better understand optical illusions

Optical illusions, images that deceive the human eye, are a fascinating research topic, as studying them can provide valuable insight into human cognition and perception. Researchers at Flinders University, in Australia, have recently carried out a very interesting study using a computer vision model to predict the existence of optical illusions and the degree of their effect.

* This article was originally published here

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Patients' HIV status should not impact their cancer care

New articles published in Cancer, a peer-reviewed journal of the American Cancer Society, note that there is no medical justification to deny optimal cancer therapy to individuals with HIV.

* This article was originally published here

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Researcher models the key transformations that emissions undergo in the atmosphere

Josh Moss is a Ph.D. student in the lab of Professor Jesse Kroll, where he studies atmospheric chemistry and examines the chemistry of gases and particles in the atmosphere that humans are releasing and their interactions with existing particles in the atmosphere. He focuses on organic chemical reactions that occur in the atmosphere which contribute significantly to smog formation. In the laboratory, he uses a controlled atmospheric chamber to conduct physical experiments on the gas phase reactions that originate from smog particles. Moss also works on computer models for chemical reaction generation and predictions. His research is concerned with chemicals commonly found in large urban cities such as Los Angeles, Houston, and Mexico City, and he is interested in the implications that these micro-particles have on human health and climate change.

* This article was originally published here