

Science
Facebook will now show a warning before you share articles about COVID-19
Facebook’s latest attempt to help combat the spread of potentially harmful COVID-19 misinformation involves a new notification screen that will provide more context about an article or other link, like when it was first shared and its source.
The goal, Facebook says, is to “help people understand the recency and source of the content before they share it” and to direct “people to our COVID-19 Information Center to ensure people have access to credible information about COVID-19 from global health authorities.” It builds on the platform’s existing recency notifications, which it launched in June to help cut down on the spread of older links that routinely resurface in ways that can misrepresent current events.
This new notification screen is part of an ongoing series of measures Facebook has been employing since March to try to prevent its platform from becoming a conduit for dangerous coronavirus-related conspiracy theories and other forms of misinformation. At the onset of the pandemic, the company began putting vetted coronavirus information from trusted health and medical authorities at the top of the News Feed, as well as the above-mentioned COVID-19 information hub.
Yet Facebook has had to take more active measures to combat the fast-moving spread of misinformation and conspiracy theories in the months since, including banning anti-mask groups and placing anti-misinformation messages into the News Feeds of users who may have engaged with fake coronavirus stories. In May, the “Plandemic” hoax video went viral, causing more headaches for Facebook’s moderation efforts. Just last month, another video from Breitbart News, a trusted Facebook News partner, containing false information about coronavirus cures and measures to combat its spread went viral again. Facebook later said it would investigate why the video remained live for so long.
As part of this new notification designed to help prevent the spread of old, out-of-date, and just outright false information, Facebook says it will be exempting certain information sources to ensure trusted and helpful links don’t get caught in the screen. “Along those lines, we want to ensure we don’t slow the spread of information from credible health authorities, so content posted by government health authorities and recognized global health organizations, like the World Health Organization, will not have this notification,” the company says.
Source : TheVerge ScienceRead More
Science
Too bright to breed

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Night light from coastal cities overpowers natural signals for coral spawning from neighboring reefs.
PHOTO: NOKURO/ALAMY STOCK PHOTO
Most coral species reproduce through broadcast spawning. For such a strategy to be successful, coordination has had to evolve such that gametes across clones are released simultaneously. Over millennia, lunar cycles have facilitated this coordination, but the recent development of bright artificial light has led to an overpowering of these natural signals. Ayalon et al. tested for the direct impact of different kinds of artificial light on different species of corals. The authors found that multiple lighting types, including cold and warm light-emitting diode (LED) lamps, led to loss of synchrony and spawning failure. Further, coastal maps of artificial lighting globally suggest that it threatens to interfere with coral reproduction worldwide and that the deployment of LED lights, the blue light of which penetrates deeper into the water column, is likely to make the situation even worse.
Curr. Biol. 10.1016/j.cub.2020.10.039 (2020).
Science
SpaceX launches Starlink app and provides pricing and service info to early beta testers

SpaceX has debuted an official app for its Starlink satellite broadband internet service, for both iOS and Android devices. The Starlink app allows users to manage their connection – but to take part you’ll have to be part of the official beta program, and the initial public rollout of that is only just about to begin, according to emails SpaceX sent to potential beta testers this week.
The Starlink app provides guidance on how to install the Starlink receiver dish, as well as connection status (including signal quality), a device overview for seeing what’s connected to your network, and a speed test tool. It’s similar to other mobile apps for managing home wifi connections and routers. Meanwhile, the emails to potential testers that CNBC obtained detail what users can expect in terms of pricing, speeds and latency.
The initial Starlink public beta test is called the “Better than Nothing Beta Program,” SpaceX confirms in their app description, and will be rolled out across the U.S. and Canada before the end of the year – which matches up with earlier stated timelines. As per the name, SpaceX is hoping to set expectations for early customers, with speeds users can expect ranging from between 50Mb/s to 150Mb/s, and latency of 20ms to 40ms according to the customer emails, with some periods including no connectivity at all. Even with expectations set low, if those values prove accurate, it should be a big improvement for users in some hard-to-reach areas where service is currently costly, unreliable and operating at roughly dial-up equivalent speeds.

Image Credits: SpaceX
In terms of pricing, SpaceX says in the emails that the cost for participants in this beta program will be $99 per moth, plus a one-time cost of $499 initially to pay for the hardware, which includes the mounting kit and receiver dish, as well as a router with wifi networking capabilities.
The goal eventually is offer reliably, low-latency broadband that provides consistent connection by handing off connectivity between a large constellation of small satellites circling the globe in low Earth orbit. Already, SpaceX has nearly 1,000 of those launched, but it hopes to launch many thousands more before it reaches global coverage and offers general availability of its services.
SpaceX has already announced some initial commercial partnerships and pilot programs for Starlink, too, including a team-up with Microsoft to connect that company’s mobile Azure data centers, and a project with an East Texas school board to connect the local community.
Science
Erratum for the Report “Meta-analysis reveals declines in terrestrial but increases in freshwater insect abundances” by R. Van Klink, D. E. Bowler, K. B. Gongalsky, A. B. Swengel, A. Gentile, J. M. Chase


S. Rennie, J. Adamson, R. Anderson, C. Andrews, J. Bater, N. Bayfield, K. Beaton, D. Beaumont, S. Benham, V. Bowmaker, C. Britt, R. Brooker, D. Brooks, J. Brunt, G. Common, R. Cooper, S. Corbett, N. Critchley, P. Dennis, J. Dick, B. Dodd, N. Dodd, N. Donovan, J. Easter, M. Flexen, A. Gardiner, D. Hamilton, P. Hargreaves, M. Hatton-Ellis, M. Howe, J. Kahl, M. Lane, S. Langan, D. Lloyd, B. McCarney, Y. McElarney, C. McKenna, S. McMillan, F. Milne, L. Milne, M. Morecroft, M. Murphy, A. Nelson, H. Nicholson, D. Pallett, D. Parry, I. Pearce, G. Pozsgai, A. Riley, R. Rose, S. Schafer, T. Scott, L. Sherrin, C. Shortall, R. Smith, P. Smith, R. Tait, C. Taylor, M. Taylor, M. Thurlow, A. Turner, K. Tyson, H. Watson, M. Whittaker, I. Woiwod, C. Wood, UK Environmental Change Network (ECN) Moth Data: 1992-2015, NERC Environmental Information Data Centre (2018); .
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