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Poisonous and the enemy of the reef as it eats coral polyps - Ko Lanta, November 2010

Crown-of-thorns starfish (COTS) are voracious coral consumers with a propensity for population explosions, which makes them very real threats to the world's coral reefs. And while they're typically held in check by fish higher in the food chain, overly aggressive human fishing has decimated these predator species. That's why a team from the Queensland University of Technology in Australia has spent the past decade developing a fully autonomous COTS-hunting robotic submarine to help bring these populations back into balance.

Almost a year ago, Apple put a Retina display inside its 27-inch desktop. A report from 9to5Mac says we could see a high-res panel on the smaller 21.5-inch model soon as well. The word comes from Mark Gurman, who has a solid track record for news like this, of the new iMac initially tipped by clues inside the upcoming OS X El Capitan. Despite the larger all-in-one getting a 5K Retina panel last fall, the report claims that the 21.5-inch version will come equipped with a 4K display and resolution of 4,096 x 2,304 (up from the current 1,920 x 1,080). While Apple has an iPhone-focused event scheduled for next week, Gurman says the new iMac won't be announced until next month. If you're not too thrilled about paying a premium for a higher-resolution display, chances are the current model will remain available. Even after the 27-inch Retina model arrived, the 1080p option stuck around.

Samsung is making a habit of teasing its next announcement at the end of launch events. After today's Gear S2 official reveal, the company teased a new tablet: the Galaxy View. Of course, details are quite scarce right now, but we do know that the slate sports a Surface-esque kickstand that's either built-in or added by a case. The device maker only offered the hints of "think bigger" and "a new dimension of entertainment" alongside the promise that we'll get more info next month. And when those specs emerge, you can bet we'll bring you the latest.

Check out all the news from Berlin at our IFA 2015 hub.

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Google and its mapping service Waze are being dragged to court over allegations that Waze stole data from a rival's map database. The lawsuit filed in San Francisco federal court on Tuesday by PhantomAlert alleges that the navigation app used proprietary data from PhantomAlert without permission. Both apps share road, red light and traffic information. According to PhantomAlert CEO Joseph Seyoum he noticed that Waze was using the same fictitious location information in its app that his company had used to test PhantomAlert. The only way Waze would have that fake location data is if it was using information from Seyoum's company.

Netflix's newest original series, Narcos, just hit the streaming service last week, and the early reviews have been positive. The company seems to think pretty highly of the show, too. In fact, it's already teasing us with word of a second season. There's no info on a premiere date or additional details right now, but we'd expect it to ship sometime next year. Until then, get to watching if you haven't. It's really quite good.

This post was created in partnership with The Wirecutter, a list of the best technology to buy. Read their continuously updated list of deals at TheWirecutter.com.

You may have already seen Engadget posting reviews from our friends at The Wirecutter. Now, from time to time, we'll also be publishing their recommended deals on some of their top picks. Read on, and strike while the iron is hot -- some of these sales could expire mighty soon.

Teenage girl checks and sends text message while waiting in

Researchers at Barcelona's Telefonica Research lab have developed a smartphone-based algorithm that determines a user's level of boredom based on how much they're using the device. The algorithm also takes a number of factors such as time of day and how long it's been since receiving a call or text into account as well. With it, the researchers were able to accurately gauge a user's level of boredom 83 percent of the time.

Google Updates Its Logo

Silicon Valley's anti-poaching conspiracy has reached its conclusion. U.S. District Judge Lucy Koh has approved the $415 million settlement, suggested by Apple, Google, Intel and Adobe earlier this year. The four tech giants have long been accused of agreeing not to poach each other's employees. According to the employees who filed the antitrust class action law suit in 2011, the internal policy to not hire someone from one of the other companies in the pact stunted their growth and prevented them from having access to higher paychecks. One of the main deciding factors in the case was a set of emails between senior executives like Steve Jobs and Eric Schmidt that revealed the practice of "no-poach" lists and requests that attempted to thwart the hiring of valued employees.

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If you live in a metropolitan area like San Francisco, New York or Chicago, you understand the appeal of a tiny car. It's easier to swoop through traffic and it can be parked nearly anywhere. Smart says the Fortwo is the tiniest of the tiny cars available in the United States. The latest version of the Mercedes-Benz-built vehicle is still only 8.8 feet long, but it's gotten wider with more forgiving suspension. It's also filled with additional standard features making it feel more like a car and less like a compromise. To highlight the new diminutive driver's features, Smart set up a scavenger hunt in the retirement community for 30-year-olds: Portland, Oregon. If you're going to take a car meant to tackle an urban environment for a spin, it might as well be in a city with a road system that seems like it was laid out more as a practical joke than a way to get drivers from point A to point B.

T-Mobile has launched a video calling feature that you can access straight from your smartphone's stock phone dialer. With T-Mobile Video Calling, "there's no need to search out, download, configure and register additional apps," said CTO Neville Ray. It seamlessly switches between LTE and WiFi and automatically drops to voice-only when bandwidth is low, switching back if you get a better connection. There's a serious catch, though: It only works on Samsung's brand new Galaxy S6 Edge+ and Note 5 phones now, with support for the Galaxy S6 and S6 Edge coming next week.

Luxury audiovisual brand Bang & Olufsen (B&O) has just announced a pricey wireless speaker, the $999 BeoPlay A6. The style evokes the back of a chair, gently curving and covered in designer fabric from Danish studio Kvadrat. Apparently, this isn't all about looks, though. B&O says its unique shape "enables sound to fill an entire room whilst creating ambience in multiple areas of a house." The interface for the A6 is pretty interesting too. It's all based around swiping and tapping the top of the speaker. A swipe right, for example, turns the volume up. Holding the center mutes, and a quick tap skips the track. Perhaps not the most intuitive control scheme ever, but a cool talking point nonetheless.

Few companies have churned out as many different smartwatches as Samsung, so it's little surprise the company is showing off a new one — the Gear S2 — at IFA. What is a surprise, though, is how much more elegant, more polished the S2 feels compared to just about all of Samsung's previous attempts. After years of seemingly blind iteration (and just a little bit of hands-on time), Samsung finally seems to have a style, if somewhat controversial smartwatch on its hands.

LG's never been scared of trying new things when it comes to smartphones, even pioneering the strange-yet-convenient back button placement other manufacturers have copied since. By comparison, the company has played it safe with its G Pad tablet range, none of which have had any particularly stand-out features. And after briefly playing the LG's new G Pad II 10.1 here at IFA, it seems like the company is quite happy sticking to its rather unexciting formula. Last year, LG opted to release three sizes of tablet, but for now at least, the G Pad II only comes in the one form factor, with a 10.1-inch 1,920 x 1,200 display.

Skype users have ridden a rollercoaster of different designs over the years, and the latest version promises yet more change. Version 6.0 has been completely redesigned for both iOS and Android apps, which are now in lockstep with each other. For Google's ecosystem, the new layout took a page from the Android 5 "Material" playbook with circular icons and other touches. Other features include a floating action button to start new calls or chats (à la Facebook's Messenger), enhanced search and improved messaging. There are also custom ringtones, photo sharing and web link reviews to bring the app in line with rival messaging products like Google's Hangouts.

Withings' smart alarm clock with Spotify functionality

Like the idea of Withings' Aura improving your sleep cycles, but don't need a $300 gadget tracking every last nuance of your slumber? You're in luck. Withings is rolling out a lower-cost device, the $190 Connected Alarm Clock, that keeps the sleep-regulating light and sound patterns while ditching the biometric sensor. And speaking of audio, both the clock and the Sleep System are getting a Spotify tie-in -- you can now use the streaming service's music catalog to fall asleep or wake up, complete with suggested playlists based on both their effectiveness and your genre tastes.

Today we got our first glimpse of the BBC's upcoming Grand Theft Auto docudrama, which examines the game's development and public scrutiny in 2002. The Gamechangers, starring Daniel Radcliffe as Rockstar president Sam Houser, covers the franchise's growth in the PlayStation 2 era and the criticism that followed regarding its portrayal of violence. Bill Paxton is playing Jack Thompson, a former attorney that famously campaigned against the series, and based on this new trailer it's clear their thorny relationship is the centerpiece of the show. In May, Rockstar said it would be filing a lawsuit against the BBC over trademark infringement -- the developer said it's had "no involvement" with the project and seemingly disapproves of it altogether. The broadcaster appears unfazed by the legal action though, as it's scheduled to air on September 15th, at 9pm on BBC Two in the UK. If you live elsewhere, however, there's no word just yet on an international release.

The recipe-based automation software IFTTT delivered its one-button control app to phones back in February, and now it's putting it on your wrist. Android Wear gadgets can now employ the DO Button to complete any number of tasks that you assign to it. Rather than waiting for certain criteria to be met in order to trigger an action or swiping over to the requisite app, a single button push handles the chore. We're talking about things like setting your Nest thermostat to 68 degrees or turning off those Phillips Hue lights. Looking to take the DO Button for a spin? Grab the app from Google Pay and you'll be able to do just that.

Star Wars merchandise is big business. So big, in fact, that the films' stewards are streaming an unboxing marathon for all of the Force Awakens toys coming out on "Force Friday" tomorrow. We weren't going to pay much interest, but two items in particular have grabbed our attention: a remote-controlled Millennium Falcon and X-Wing starfighter. With minimal assembly, you'll be able to launch and fly both of these legendary spacecraft in your living room, pestering family members or reliving the final battle from Return of the Jedi. The Millennium Falcon is basically a quadcopter drone -- it has four tiny propellors built into the body, and is built from a "high density foam" to ensure it can take the odd knock and TIE fighter attack. Both the X-Wing fighter and Millennium Falcon are being manufactured by Air Hogs, a company with plenty of experience in remote controlled vehicles -- when we hear anything concrete around pricing and stockists, we'll be sure to let you know.

Barnes & Noble's partnership with Samsung continues with the Galaxy Tab S2 Nook. And, as you've probably guessed, it's simply Samsung's recently announced Galaxy Tab S2 jam-packed with Nook apps. The 8-inch tablet hits Barnes & Noble stores today for $400, though if you've got a B&N membership you can also knock another 10 percent off that price. It's still sad to see the book seller move away from its own tablet hardware, but you could do a lot worse than the Tab S2. It's an incredibly thin and light tablet with a bright quad HD screen (our full review is coming soon). The Tab S2 Nook fills a premium slot for Barnes & Noble, whereas last year's Tab 4 Nooks are more budget-friendly at $150 and $250. You won't really gain much with the Tab S2 Nook variant -- you get three free books from a selection of 20 titles, along with three free magazines and $5 worth of credit. But really, it's a tablet meant for people who are more used to strolling around B&N stores than comparing Android tablets online.

Do you still prefer the feel of pen on paper but need an easy way to catalog your handwritten notes digitally? Wacom's Bamboo Spark will do just what. The product is something the company calls a "smart folio" that uses its digital pen technology to capture the scribbles of a real ink pen on A5 paper (5.83 x 8.27 inches). How does it work exactly? With the help of the Bamboo Spark app on an Android or iOS device, the folio's Electro-Magnetic Resonance board and Bluetooth beam your pen strokes to that trusty mobile device at the push of a button. The Spark can hold up to 100 pages, even while it's in offline mode, and claims up to 8 hours of use before needing to recharge via USB.