After 100 years, Cornell University plant pathologists revisit fire blight hypothesis

After 100 years, Cornell University plant pathologists revisit fire blight hypothesis
Fly feeding on the ooze droplet in the experimental chamber. Credit: Matthew Boucher

Historically credited as being the first bacterium ever characterized as a plant pathogen, fire blight is a bacterial disease that leads to significant losses of pear and apple. The role of insects in the spread of this disease has been long studied. In a new study, plant pathologists based at Cornell University and Cornell AgriTech take a hypothesis that has been more or less ignored for 100 years and provided support for its validity.


According to first author Matthew Boucher, the study describes a long hypothesized but never experimentally supported transmission mechanism for fire blight. Boucher and colleagues show that flies in an apple orchard can acquire the bacterial agent (Erwinia amylovora) of fire blight from sugary droplets exuding from diseased apple trees and subsequently transmit the bacterium to uninfected shoots so long as those

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NZXT Halts Sales of Its Xbox-Like PC Cases Due to Fire Hazard

Illustration for article titled NZXT Halts Sales of Its Xbox-Like PC Cases Due to Fire Hazard

Image: NZXT

While reports of Xbox Series X fires seem to have amounted to nothing after it turned out people were blowing vape smoke through the cases, reports of NZXT’s H1 PC cases catching on fire—the ones that kind of look like an Xbox Series X—are real. As reported by TechSpot, the company is advising H1 owners who have yet to experience problems to power down their PCs until it can send a repair kit. The company has also paused sales of its H1 case until it can implement design changes to units they plan to ship in the future.

In a recent statement, NZXT said the issue currently affects fewer than 10 cases, and the probability of it occurring in your H1 case is next to nil, but NZXT is not taking any chances. The issue is with the PCIe riser assembly to the chassis, specific

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Who Is Patrick Byrne? ‘Overstock’ Founder Under Fire After Claiming He Can Save Election

A Trump-supporter and conservative says he can gather a team of “hackers and crackers” to save the election and have Trump become president again. 

Patrick Byrne, the founder of Overstock.com, is no stranger to controversial topics. He was asked to step down as CEO of the company last year when he had a relationship with a Russian spy, and now, he’s claiming he knows how to fix the fraud in the election. 

Like Trump’s accusations, Byrne believed that the Democrats had something to do with the election and how Joe Biden had so many votes. 

He told Youtube channels and various podcasts this past week that he has funded an army of hackers, cybersleuths and people with odd skills to crack the fraud, according to The Daily Beast. 

His claims were again, similar to those of the Trump administrations. He explains how the voting machines were compromised or miscounted, but

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Black Friday Amazon Echo deals 2020: Echo Dot, Ring Video Doorbell, Echo Show, Fire tablets and more

This story is part of Holiday Gift Guide 2020, CNET’s gift picks with expert advice, reviews and recommendations for the latest tech gifts for you and your family.

Besides Prime Day, Black Friday is the best time of year to buy an Amazon device. And even though Friday has come and gone, deals continue to be available over the weekend. Everything in the Amazon hardware family — Kindle readers, Echo Show devices, Fire tablets, Ring doorbells, Echo speakers and Fire TV streamers, for instance — is at or near its lowest price of the year. In fact, many of the products are so popular that some shipping times are currently slipping to late December. Most of these prices will stretch through Monday, but it’s not clear if or when we’ll see them again after that. However, between now and the end of the year, we don’t expect the prices

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Echo, Fire, Kindle Best Deals

Amazon Black Friday 2020 sales are accelerating and Amazon has already launched many of its doorbuster deals which you can buy right now. Headlining these are big savings on Echo, Fire and Kindle devices. Here are my top picks of the best Black Friday Amazon deals you need to know about.

Tip: bookmark this page, because deals will be updated daily (new 11/22 updates)

MORE FROM FORBESApple Black Friday 2020 iPhone Deals: Amazon, Best Buy, Costco, Walmart And More

Amazon Black Friday tip: if you are not already a member, remember to sign up for a free one month Amazon Prime account. You’ll get fast, free 24-hour shipping on thousands of items as well as access to Prime-exclusive deals. You can then cancel your membership within 30-days and pay nothing.

Note: this article does

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If It Smells like Dirt, Fire Ants Are Interested

You and a fire ant have something in common: you can both smell dirt, and, odds are, you both like it. 


Although most humans agree that fresh dirt smells sweet, that is not a view universally shared. Fruit flies hate the smell, apparently because it signals spoiled food.

On the other hand, mosquitoes like dirt smell and use it as a cue for egg laying. And as I wrote last spring, tiny arthropods called springtails think dirt not only smells great, it’s the smell of steak night at the Sizzler.

The reason, as I wrote here earlier this year, is that dirt doesn’t smell like dirt. It smells like bacteria—actinobacteria, to be precise. These bacteria generate the odors we think of as characteristic of dirt to ring the dinner bell for springtails to come eat and disperse their spores.

Why fire ants think dirt smells good, and how we

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Black Friday TV deals: 32-inch Fire TV for $100, Samsung 58-inch 4K TV for $398, LG and Sony OLED on sale too

This story is part of Holiday Gift Guide 2020, CNET’s gift picks with expert advice, reviews and recommendations for the latest tech gifts for you and your family.

This year we can guarantee Black Friday and Cyber Monday are going to be different. But different doesn’t necessarily mean “bad.” Due to the pandemic, major retailers such as Walmart and Best Buy are kicking off their sales earlier than ever this holiday season, spreading them out over the days and weeks before Black Friday itself (technically Nov. 27 this year), and most importantly focusing on online orders and curbside, contactless pickup to maintain social distancing. 

Something that hasn’t changed, though, is that no matter where or how you do your holiday shopping, this is the best time of year to get an amazing deal on a TV. Below you’ll find all of the best Black Friday TV deals we know

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Climate change and ‘atmospheric thirst’ to increase fire danger and drought in NV and CA

Climate change and 'atmospheric thirst' to increase fire danger and drought in NV and CA
Climate change and a “thirsty atmosphere” will bring more extreme wildfire danger and multi-year droughts to Nevada and California by the end of this century, according to new research. Credit: Meghan Collins/DRI

Climate change and a “thirsty atmosphere” will bring more extreme wildfire danger and multi-year droughts to Nevada and California by the end of this century, according to new research from the Desert Research Institute (DRI), the Scripps Institution of Oceanography at the University of California, San Diego, and the University of California, Merced.


In a new study published in Earth’s Future, scientists looked at future projections of evaporative demand—a measure of how dry the air is—in California and Nevada through the end of the 21st century. They then examined how changes in evaporative demand would impact the frequency of extreme fire danger and three-year droughts, based on metrics from the Evaporative Demand Drought Index (EDDI) and the

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The fire that devastated a Sierra town created a pyrocumulus cloud. What does that mean?

A deadly wind-driven fire that started Tuesday largely destroyed the small community of Walker, Calif., and has burned nearly 21,000 acres. It also gave rise to a dramatic pyrocumulus cloud.



a group of palm trees on a cloudy day: The Thomas fire created a huge pyrocumulus cloud in December 2017. The Mountain View fire that largely destroyed the small town of Walker, Calif., this week gave rise to a similar phenomenon. (Al Seib / Los Angeles Times)


© (Al Seib / Los Angeles Times)
The Thomas fire created a huge pyrocumulus cloud in December 2017. The Mountain View fire that largely destroyed the small town of Walker, Calif., this week gave rise to a similar phenomenon. (Al Seib / Los Angeles Times)

“It was a remarkable wind event that caused multiple destructive wildfires,” said Alex Hoon, an incident meteorologist with the National Weather Service in Reno. “The winds were like a freight train. Winds of this magnitude are uncontainable.”

UCLA climate scientist Daniel Swain said seeing such plume-dominated fires anywhere in the American West is “pretty extraordinary by late November.”

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HBO Max to stream on Amazon Fire TV, ‘Firestick’ and Fire tablets starting Tuesday

cnet-amazon-fire-stick

Amazon’s Fire TV Stick, sometimes referred to by customers as a “Firestick,” is one of its most popular streaming devices. 


Sarah Tew/CNET

HBO Max will launch its dedicated app on Amazon’s Fire TV devices, including its popular dongle often referred to as the “Firestick,” and Fire tablets on Tuesday. The change gives HBO Max’s customers an easier way to stream the service on Amazon products, and it’s the latest development that fills in some gaps in app support on the most popular streaming devices

The deal, announced Monday, puts to rest a major standoff that’s likely crimped HBO Max since its launch in May. This leaves Roku as the last major streaming device platform lacking support for HBO’s new app, which offers extra movies, shows and originals that don’t run on its regular network. 

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