Dhruvil Prajapati

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15 maps that will change the way you see the world

Telegraph Travel has mapped the world in many ways – here are some of the most eye-opening.<p>1. Life expectancy<p>This map shows the world according to life expectancy. The results are depressingly unsurprising. Africa is the only continent that contains nations where the average life expectancy is …

General Relativity: 100 Years Old And Still Full Of Surprises

Dark energy, gravitational waves, and black holes may be just the beginning<p>In 1913, Albert Einstein had stalled in his efforts to construct his general theory of relativity. He pleaded with his friend Marcel Grossmann for a mathematical boost: “Grossmann, you’ve got to help me, otherwise I’ll go …

U.N. Dreams Big: 17 Huge New Goals To Build A Better World

At the United Nations General Assembly this weekend in New York, U.N. member states are set to adopt the new Sustainable Development Goals. The goals are meant to guide development priorities around the globe over the next 15 years. Critics and supporters alike are declaring them to be highly …

Sustainability

Is Space Mining Legal?

A controversial bill would give companies the right to own natural resources in space, and it may pass in the Senate by the end of September<p>If mankind is ever to become an interplanetary species, our outward expansion across the solar system probably can’t be fueled by NASA funding alone. Why did …

Ranking the world’s most powerful passports

Ten years ago, in my first job after graduation, I shared an office with a researcher called Munir who I nicknamed Dr2 because he not only had a PhD …

Trump outlines immigration specifics

<b>(CNN) —</b> Republican frontrunner Donald Trump said Sunday he would overturn a law that grants citizenship to people born in the U.S. and put stricter limits on legal immigration, offering his most detailed account yet of how he would handle a policy issue that has become a cornerstone of his campaign.<p>…

Donald Trump

What gives? Scientists try to predict generosity - Futurity

New research based on brain scans suggests generosity could be explained and predicted by a simple computational model.

Can you solve it? Are you smarter than a Japanese schoolchild?

Area Maze is the a-mazing new game from prolific puzzle inventor Naoki Inaba. For the solutions to today’s puzzles, follow this link<p>Hello Guzzlers.<p>It is with huge pleasure that I introduce today’s puzzle, which is already a big deal in Japan. It’s called Menseki Meiro, or Area Maze, and I hope you …

Puzzles

The potential of quantum computing – Science Weekly podcast

Ian Sample explores the journey from logic to modern computers<p>The annual Royal Society Summer Science Exhibition shows off the best of British science, highlighting the place of scientific innovation at the heart of our culture, and of our economic wellbeing.<p>The exhibition dates back to the early …

Quantum Computing

Game of chances: inheritance is a question of probability, not destiny

We must get over the idea that genes determine – in all but a handful of cases, they simply create minuscule changes in the odds<p>His nickname was “the Hexed”, and his curse left him childless – probably sterile – along with a suite of disabilities so profound that no single disease can be …

Genetics

Even Albert Einstein needed more than curiosity to become a great physicist

While I agree with Maulfry Worthington (Letters, 19 June) that our schools should encourage more curiosity, it is unfortunate that she repeats the near-calumny that Einstein was a “patent clerk” who would “become” a great physicist. In fact Einstein worked as a technical examiner at the</i> …

Physics

How to solve the maths puzzle for Vietnamese eight-year-olds that stumped parents and teachers

The challenge was to fill in the above snake with the digits 1 to 9, using each digit only once. The colon “:” means divide, and you must follow the standard order of operations, meaning that multiplication/division comes before addition/subtraction.<p>Can you do the maths puzzle for Vietnamese …

Puzzles
Genetics

Water: the weirdest liquid on the planet

The more scientists examine H2O, the stranger it starts to seem. Water bends all the rules – but if it didn’t, ice would sink and firefighters’ hoses would be useless<p>Water is the only substance on Earth whose chemical formula has entered the vernacular. We all know H2O, even if we don’t understand …

Weird

Brain complexity starts early in life - Futurity

The process that allows the cerebral cortex—what most people imagine when they think of the word “brain”—to develop complexity begins before we are …

The Brain

Top 10 highest-paying college majors

Here's a shocker: Nine out of the 10 highest-paying college majors are in engineering fields.<p>The top-paying degree is petroleum engineering, according to a new report from The Georgetown University Center on Education and the Workforce.<p>The report, which used 2013 Census data, found that workers who …

College & University

Desktops aren't dead: HP adds new towers for back-to-school

New desktops in the Pavilion and Envy and lines cover everything from basic schoolwork to 4K video.<p>Following its recent announcement of new back-to-school laptops and hybrids , HP is now adding a new series of desktops, covering budget systems, performance machines and all-in-ones.<p>Desktop PCs have …

HP Envy

5 best Android apps for screen recording and other ways too!

One of our more frequent requests from readers is to tell them how to record your screen on Android. The functionality has been around for quite some time but usually requires some tinkering and adjustment to get it. In Android Lollipop, they have a screen recording method building into the OS and …

Microsoft is finally leading the way in mobile, 4 years too late

Microsoft smartly waited until the end of its excruciatingly long keynote to give us a second look at the HoloLens, the company's forward-looking …

Rapid learning is more likely if we're uncertain - Futurity

Learning is usually gradual, but some stimuli spark immediate associations. This one-shot learning is handy for survival, but why does it happen?

Team finds cracks in the 'ice bridge' theory - Futurity

A new study challenges the "ice bridge" theory, or Solutrean hypothesis, of how the first humans settled North America.

Billionaires versus big oil

<i>Above illustration by Vladimir Shelest: Photographs by Fink: Mardi Welch Dickinson—Kymry Group; Skoll: Jamie McCarthy—Getty Images; Walton: Sarah</i> …

Fossil Fuels

Judith Woods: Where do we draw the line between playing Darwin and playing God?

The fact that Chinese geneticists have taken the first steps to creating designer babies should fill us with horror<p>TWO contrasting stories this week have thrown into sharp relief the complex relationship between humanity and science. The first was the harrowing yet inspirational story of how …

Genetics

Here's How Wi-Fi Actually Works

Most computer users know little about how Wi-Fi works. In fact, one of the only things many do know is that sometimes it doesn’t. But even a little …

Wi-Fi

(Update #2: Nokia denial) Nokia to stage a smartphone comeback in 2016?

<b>Update, April 27:</b> In a brief official statement, Nokia denies that it currently has “plans to manufacture or sell consumer handsets” and says that the reports about Nokia using a Chinese R&D center to produce smartphones are false. Apparently, the comments were “incorrectly attributed” to Nokia’s …

Mobile Technology

Mosquito magnet? Blame your DNA, study says

Are you a mosquito magnet? If so, your genes may be to blame.<p>New research shows that if mosquitoes are attracted to the scent of a particular person, they are likely to be attracted to her twin's scent as well. On the flip side, if they are repelled by someone's odor, they're likely to find her …

The most accurate clock ever built only loses one second every 15 billion years

Scientists have a set a new record in accurate timekeeping, creating an atomic clock that won't lose or gain a second in 15 billion years — a time span greater than the estimated age of the Universe. The clock measures the oscillation of strontium atoms to create its "tick," and could one day …

Physics

Calm down dear: the dark side of ‘emotional intelligence’

British chess master Nigel Short recently caused controversy by saying women’s brains aren’t ‘hard wired’ for chess. He also pointed out women have greater ‘emotional intelligence’. But this supposed praise reveals a great deal of cultural preconceptions and gender stereotyping, which suggests it’s …

Psychology

Can you solve these top mysteries of the universe?

Scientists have discovered a ‘supervoid’ in space, a peculiar empty section of space which is missing roughly 10,000 galaxies. This empty space, which is thought to be the largest known structure ever discovered in the universe, is baffling experts.<p>Scientists are unclear about what this desolate …

Judge gives chimpanzees human rights for the first time (update)

New York justice briefly decrees two apes are covered by habeas corpus before changing her court order<p>For the first time in US history, a judge has decreed that a pair of chimpanzees held at a university research facility are covered by the same laws that govern the detention of humans, effectively …

Human Rights