Borrowing a Page From Uber, Tinder Invents the 'Swipe Surge'

Borrowing a Page From Uber, Tinder Invents the 'Swipe Surge'

The company also says that in some cities, like New York, surges may happen later at night than elsewhere.Just like a ride-hailing company, Tinder constantly needs to solve the problem of supply and demand.When users choose to participate in a Swipe Surge, their profiles are placed at the beginning of the line, meaning other users swiping at the same time will see them first.

The US Is the Only Country Where There Are More Guns Than People

The US Is the Only Country Where There Are More Guns Than People

Today, the US boasts more firearms than residents.Canada, for its part, may have a lot of guns as well, as the chart below shows, but its citizens don't often die from gunfire; the country ranks 72nd in the world for deaths from firearms.

How an Anonymous 4chan Post Helped Solve a 25-Year-Old Math Puzzle

How an Anonymous 4chan Post Helped Solve a 25-Year-Old Math Puzzle

Fans were arguing online about the best order to watch the episodes, and the 4chan poster wondered: If viewers wanted to see the series in every possible order, what is the shortest list of episodes they’d have to watch?Quanta MagazineAboutOriginal story reprinted with permission from Quanta Magazine, an editorially independent publication of the Simons Foundation whose mission is to enhance public understanding of science by covering research developments and trends in mathematics and the physical and life sciences.

I Learned About Climate Change By Watching Fortnite on Twitch

I Learned About Climate Change By Watching Fortnite on Twitch

And according to Henri Drake, the graduate student in climate science at MIT who was talking about methane in the video I watched, it specifically gets climate change in front of the young audience who will have to deal with its effects of the actions (or inaction) humans take right now.Related StoriesCarter MelroseWhy Battle Royale Games Like Fortnite Are Everywhere (It’s Not Just Money)Matt SimonClimate Change's Looming Mental Health CrisisEric Van AllenLive on ESPN: Is Esports Finally Ready for Its Crossover Moment?"It builds a community where people can ask the hard questions directly to an expert," Drake says.

A Decade-Old Attack Can Break the Encryption of Most PCs

A Decade-Old Attack Can Break the Encryption of Most PCs

It's not super technically challenging."Segerdahl notes that the findings have particular implications for corporations and other institutions that manage a large number of computers, and could have their whole network compromised off of one lost or stolen laptop.'It's pretty quick and very doable for a knowledgable hacker.'Olle Segerdahl, F-SecureTo carry out the attack, the F-Secure researchers first sought a way to defeat the the industry-standard cold boot mitigation.

Apple Watch 4 Adds ECG, EKG, and More Heart-Monitoring Capabilities

Apple Watch 4 Adds ECG, EKG, and More Heart-Monitoring Capabilities

Apple Watch 4 Adds ECG, EKG, and More Heart-Monitoring CapabilitiesIf you ever wondered what the Apple Watch is really for, that's no longer a question—at least, not for Apple.The new Apple Watch Series 4, revealed by Apple earlier today, underscores that some of the watch's most important features are its health and fitness-tracking functions.

Climate change driving up malnutrition rates in Pacific, UN warns

Climate change driving up malnutrition rates in Pacific, UN warns

Climate change is making people hungry – with nearly 100 million people across the world needing humanitarian food aid because of climate shocks last year – and a growing number of people are malnourished across the Pacific, a new United Nations report says.

Meet The Four-Dimensional Numbers That Led to Modern Algebra

Meet The Four-Dimensional Numbers That Led to Modern Algebra

In this planar world, “complex numbers” represent arrows that you can slide around with addition and subtraction or turn and stretch with multiplication and division.Hamilton, the Irish mathematician and namesake of the “Hamiltonian” operator in classical and quantum mechanics, hoped to climb out of the complex plane by adding an imaginary j axis.

Is the ‘Heat Day’ the New Snow Day?

Is the ‘Heat Day’ the New Snow Day?

By the end of the century, there could be 33 of those very hot days annually in Cranford, according to a New York Times analysis, meaning that the number of “extreme heat days” during the school year could rise sharply.On Wednesday, three high school students at the Bergen Arts and Science Charter High School in Hackensack, N.J., were taken to the hospital to be treated for heat-related illness after running a mile in gym class as temperatures climbed above 90 degrees.“I’m very upset with the school,” said Joseph Dymarczyk, the father of a sophomore who was treated for exhaustion.

Kerala’s monsoon: lessons from recent floods in India

Kerala’s monsoon: lessons from recent floods in India

The expert report urged a number of states, including Karnataka and Kerala, to adopt an approach of thoughtful conservation, limiting activities such as quarrying, dams and construction near protected forests in hilly areas.

New large shark species heading for the UK? That’s no cause for panic

New large shark species heading for the UK? That’s no cause for panic

This detailed study of Australian tiger sharks suggested that an increase in water temperature of 1-2°C will lead to them being seen off New South Wales all year round (at the moment, they tend only to visit the region in summer).

Winters much shorter than they once were, says NIWA

Winters much shorter than they once were, says NIWA

Dr Mullan defined a winter’s day as one in which the daily average temperature was less than a selected threshold and then compared the number of days this occurred for two 30-year periods, the first from 1909 to 1938 and the second from 1987 to 2016.

Phone Numbers Were Never Meant as ID. Now We’re All At Risk

Phone Numbers Were Never Meant as ID. Now We’re All At Risk

Companies don't seem interested in catching up.'If it’s not a secret, then you can’t use it as an authenticator.'Jeremy Grant, Better Identity CoalitionIdentity management experts have warned for years about over-reliance on phone numbers.

98.6 Degrees Is a Normal Body Temperature, Right? Not Quite

98.6 Degrees Is a Normal Body Temperature, Right? Not Quite

And it is lowest in the morning."A temperature of 99 at six o’clock in the morning is very abnormal, whereas that same temperature at four o’clock in the afternoon can be totally normal," says Jonathan Hausmann, a rheumatologist at Boston Children’s Hospital and Beth Israel Deaconess Medical Center in Boston, who gathered 11,458 temperatures in crowdsourced research using an iPhone app called Feverprints.The study, published online this month in the Journal of General Internal Medicine, refutes the age-old benchmark of 98.6 degrees Fahrenheit.

Solving (Part of) the Urban Forest Paradox

Solving (Part of) the Urban Forest Paradox

To calculate the ROI of tree cover, Kroeger and colleagues from the Conservancy and NASA, set out to identify where it would provide the largest health benefits – the greatest reduction of respirable particulate matter and heat for the highest number of people — and then measure how those benefits compare to the costs of the trees.

Like to Eat? Then You Should Care About Biodiversity

Like to Eat? Then You Should Care About Biodiversity

Through the implementation of healthy agricultural systems in Colombia, The Nature Conservancy and partners are demonstrating that biodiversity can increase ecosystem’s productivity and its long-term growth.