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Engineering News

One of North America’s rarest bees has its known range greatly expanded — ScienceDaily

The Macropis Cuckoo Bee is one of the rarest bees in North America, partly because of its specialized ecological associations. It is a nest parasite of oil-collecting bees of the genus Macropis which, in turn, are dependent on oil-producing flowers of the genus Lysimachia. In fact, the cuckoo bee — which much like its feather-bearing counterpart does not build a nest of its own, but lays its eggs in those of other species instead — is so rare that it…

Farming drone imagery often inaccurate

Farmers have been warned to be cautious of using drones for farm management. Credit: University of Queensland Farmers should be cautious of drone imagery being offered by rogue operators, researchers have warned. The University of Queensland and University of New England collaborative study has shown that “off-the-shelf” drone imagery products, sold to growers for up to $4000 per farm in some cases, are unlikely to provide accurate information about the health of crops. Researcher Yu-Hsuan Tu, from the Joint…

Pulsed corona discharge removes pharmaceutical residues from wastewater

A doctoral dissertation by a candidate at Lappeenranta University of Technology (LUT) examines the removal of harmful organic substances such as pharmaceutical residues from wastewater using only electricity. According to practical tests, pulsed corona discharge (PCD) may significantly reduce the environmental burden of pharmaceutical residues. According to the pilot tests in the chemical technology dissertation by Petri Ajo, M.Sc. (Tech.), pharmaceutical residues, their variants and other similar compounds degrade easily from wastewater because the process is non-selective. PCD is…

Engineering Ethics Blog: Engineers and Corporate Leaks

A recent Bloomberg News item describes how Apple is going to great lengths to keep its engineers from leaking secrets to the media.  Historically, Apple has kept the public in the dark about its plans unless and until the company wants to reveal them, usually at a trade show where CEO Tim Cook or another leader gets to present the new product or feature amid ballyhoo and drama.  Leaks spoil the surprise, and so it’s understandable that the corporation wants…

Continuous Deployment with Spark Streaming (Part II) – Wealthfront Engineering Blog

In Part 1 of this series, we gave a brief look into the data platform at Wealthfront, focusing on how we minimize data processing downtime while redeploying our Spark Streaming jobs. In this final part of this series, we will describe how we coordinate the data in our serving layer and wrap the blog post up by showing how all the pieces fit together to make redeployments invisible to our customers. Coordinating the Serving Layer Our serving layer consists of…

Continuous Deployment with Spark Streaming (Part II) – Engineering Blog

In Part 1 of this series, we gave a brief look into the data platform at Wealthfront, focusing on how we minimize data processing downtime while redeploying our Spark Streaming jobs. In this final part of this series, we will describe how we coordinate the data in our serving layer and wrap the blog post up by showing how all the pieces fit together to make redeployments invisible to our customers. Coordinating the Serving Layer Our serving layer consists of…

Significant durable disease control seen in patients with lung and thyroid cancers harboring the RET oncogene — ScienceDaily

A phase I, first-in-human study led by The University of Texas MD Anderson Cancer Center reveals for the first time, an investigational drug that is effective and safe for patients with cancers caused by an alteration in the receptor tyrosine kinase known as RET. The drug appears to be promising as a potential therapy for RET-driven cancers, such as medullary and papillary thyroid, non-small cell lung, colorectal and bile duct cancers, which have been historically difficult to treat. The oral…

National survey demonstrates that Americans with disabilities are striving to work and overcoming barriers — ScienceDaily

A multidisciplinary team of researchers at Kessler Foundation and the University of New Hampshire, Institute on Disability (UNH-IOD), have authored a new article that identifies how Americans with disabilities are striving to work and overcoming barriers to employment. Their findings are detailed in “Striving to work and overcoming barriers: Employment strategies and successes of people with disabilities,” which was published online February 26, 2018 by the Journal of Vocational Rehabilitation. The authors are John O’Neill, PhD, and Elaine Katz, MS,…

Using the stimulant as a catalyst, researchers create new gels for drug delivery — ScienceDaily

Caffeine is well-known for its ability to help people stay alert, but a team of researchers at MIT and Brigham and Women’s Hospital has now come up with a novel use for this chemical stimulant — catalyzing the formation of polymer materials. Using caffeine as a catalyst, the researchers have devised a way to create gummy, biocompatible gels that could be used for drug delivery and other medical applications. “Most synthetic approaches for synthesizing and cross-linking polymeric gels and other…

Documentation Details Matter – Square Corner Blog – Medium

Not too long ago I joined the Developer Platform team at Square as a product designer. One of the first things I was tasked with was addressing some quick-hit, tactical improvements we could make to our existing site to improve the developer experience. A designer on a developer team? Working on documentation? “Oil and water,” you might say, but quite the opposite. I’ve waded through my fair share of documentation, Stack Overflow posts, and random blogs, teaching myself various languages…